How to deal with fault codes of Whatsminer series (2026 Updated Edition)

110

Inlet fan speed error detected

1. Check whether the fan connection is normal

2. Replace the power supply

3. Replace the fan

111

Outlet fan speed error detected

120

Inlet fan speed error (Deviation 2000+)

121

Outlet fan speed error (Deviation 2000+)

130

Inlet fan speed error (Deviation 3000+)

131

Outlet fan speed error (Deviation 3000+)

140

Fan speed too high

Please check the environment temperature

200

Power detection error, no PSU found

Check the power output wiring, update the latest firmware or replace the PSU

201

Power supply and configuration file mismatch

Confirm the power supply type, such as mixing P21D and P21E, and replace it with the correct power supply

202

PSU output voltage error

Upgrade the latest firmware or check the PSU

203

Power protection

Please check the ambient temp

204

Power current protection

205

Power current error

Check the PSU in the grid

206

Power input voltage low

1. Improve the power supply conditions and increase the input voltage if the input voltage is too low

2. Replace the power supply if the input voltage is too high

207

Power input current protection

Improve the power supply conditions and increase the input voltage

208

PSU changes too much

Replace the power supply

Whatsminer PSU List

209

The deviation value between the PSU setting voltage and the actual voltage suddenly changes

210

Power error status

Check power failure code

211

Power output current deviation is too large

Replace the power supply

212

Power output voltage margin is insufficient

Contact after-sales

213

Power input voltage and current do not match the power

Replace the power supply

214

Power pin did not change

Contact after-sales

215

Power vout set error

216

Power remained unchanged for a long time

Replace the power supply

217

Power set enable error

218

Power input voltage is lower than 230V for high power mode

1. Improve the power supply conditions and increase the input voltage if the input voltage is too low

2. Replace the power supply if the input voltage is too high

219

Power input current is incorrect

Replace the power supply

233

Over temperature protection of power output

Plcase check the environment temperature

234

235

236

Overcurrent protection of power output

1. Check the environment temperature

2. Check the screws of the copper bar

237

238

239

Overvoltage protection of power output

Inspection of power supply in power grid

240

Low voltage protection for power output

241

Power output current imbalance

Replace the power supply

243

Over temperature protection for power input

Please check the environment temperature

244

245

246

Overcurrent protection for power input

Replace the power supply

247

248

Overvoltage protection for power input

Inspection of power supply in power grid

249

250

Undervoltage protection for power input

251

253

Power fan error

Replace the power supply

254

255

Protection of over power output

Please check the environment temperature

256

257

Input over current protection of power supply primary side

Try to power off and restart, no effect to replace the power supply

258

Power input three-phase voltage imbalance warning

Inspection of power supply in power grid

259

Power input three-phase voltage unbalance protection

263

Power communication warning

Check whether the screws of the control board are locked

264

Power communication error

267

Power watchdog protection

Contact the technician in time

268

Power output over-current protection

Check the ambient temperature, check the copper bar screw

269

Power input over-current protection

Improve power supply conditions and input voltage

270

Power input over-voltage protection

Inspection of input voltage in power grid

271

Power input under-voltage protection

272

Warning of excessive power

output of power supply

Please check the environment temperature

273

Power input power too high warning

274

Power fan warning

Check if the power fan is blocked and may need to be replaced

275

Power over temperature warning

Please check the environment temperature

28X-29X

Power custom register error

Contact after-sales

300/ 301/ 302

SM0/ SM1/ SM2 temperature sensor detection error

Check the ribbon cable connecting the hash board

309

All temperature sensor detection errors

320/ 321/ 322

SM0/ SM1/ SM2 temperature reading error

Check whether the control board screw is locked properly, check the connection board and the arrangement contact

326

Liquid cooling temperature sensor communication error

Liquid cooling temperature sensor communication error

329

Control board temperature sensor communication error

350/ 351/ 352

SM0/ SM1/ SM2 temperature protecting

Please check the environment temperature

360

The temperature of the hash board is overheating

Check the environment temperature

370

The environment temperature fluctuates too much

Check theenvironment temperature, or check the environment wind direction and wind speed

410/ 411/ 412

SM0/ SM1/ SM2 detect eeprom error

Check adapter board and wiring contact

420/ 421/ 422

SM0/ SM1/ SM2 parser eeprom error

Upgrade firmware

Whatsminer Firmware Download Link

430/ 431/ 432

SM0/ SM1/ SM2 chip bin type error

440/ 441/ 442

SM0/ SM1/ SM2 eeprom chip num X error

450/ 451/ 452

SM0/ SM1/ SM2 eeprom xfer error

Check adapter board and wiring contact. Upgrade firmware

500

No software configuration is added for the model

Upgrade firmware

510/ 511/ 512

SM0/ SM1/ SM2 miner type error

The version and type of hashboard are inconsistent, replace the correct hashboard

520/ 521/ 522

SM0/ SM1/ SM2 bin type error

The chip type of the hashrate board is inconsistent, replace the correct hashrate board

530/ 531/ 532

SM0/ SM1/ SM2 not found

Check the connection and arrangement of the adapter board, or replace the control board, check whether the hash board connector is empty welded

540/ 541/ 542

SM0/ SM1/ SM2 reading chip id error

Check adapter board and wiring contact, Clean the dust on the hashboard

550/ 551/ 552

SM0/ SM1/ SM2 have bad chips

Contact after-sales

560/ 561/ 562

SM0/ SM1/ SM2 loss balance

Plug in the adapter plate, and then screw in the power connection hashboard again

570/ 571/ 572

SM0/ SM1/ SM2 xfer error chip

Contact after-sales

580/ 581/ 582

SM0/ SM1/ SM2 reset error

If the hashrate is abnormal, please consult after-sales

590/ 591/ 592

SM0/ SM1/ SM2 frequency too low

Contact after-sales

501X

SMX chip voltage too low

Contact after-sales

502X

chip voltage change

Replace the power supply

503X

The maximum and minimum temperature difference of the SMX chip is too large

Check the heat dissipation of the miner

504X

SMX temperature maximum chip temperature difference is too large

505X

SMX chip temperature protection

Please check the environment temperature

507X

SMX liquid velocity is abnormal

Check if the liquid flow is normal

5079

The liquid flow rate is too slow

Check the velocity of flow of liquid

508X

SMX chip temperature calibration failed

Reset

5090

Chip temperature calibration abnormality

Try shutting down for a while and then restarting, or restoring factory settings, or checking the heat dissipation of the hash board

511X

SMX Frequency Up Timeout

Try to reboot, tighten screws of the copper bar on hashboards, or upgrade to the latest firmware

600

Environment temperature is high

Check the ambient temperature, which needs to be controlled below 35 ℃ in normal mode

610

If the ambient temperature is too high in high performance mode, return to normal mode

Check the ambient temperature, high performance mode needs to be ontrolled below 30 ℃

620

Liquid cooling liquid temperature protection

Check the liquid temperature

652

The liquid temperature fluctuation is too large

701

Control board no support chip

Upgrade the corresponding type of firmware

702

Control board version unknown

Contact after-sales

710

Control board rebooted as exception

1. Update to the latest firmware

2. Check whether the screws of the control board are locked properly. 

3. Replace the control board if there is no effect

712

Control board rebooted as exception

714

The network connection is seriously unstable

Check the network cable connection or replace the control board

720/ 721/ 722

SMX serial port communication error

Upgrade firmware or replace control board

800

Cgminer checksum error

Re-upgrade firmware

801

System-monitor checksum error

802

Remote-daemon checksum error

810

Air to liquid or Adjust frequency and PCBSN does not match

1. Reupgrade the air cooling to the immersion cooling firmware

2. Re-adjust the frequency

820

Air to liquid or Adjust frequency and PSUSN does not match

901

Power rate error

Check whether the miner has been modified

90XX

The process exited abnormally

Upgrade firmware. If it doesn't work, consult after-sales

2000

No pool information configured

Check pool configuration

2010

All pools are disable

Check the network or mining pools configure

2020

Pool0 connection failed

2021

Pool1 connection failed

2022

Pool2 connection failed

2030

Mining pool rejcction rate is too high

Check the network or mining pool setting, and the mining setting of the cryptocurrency

2040

The pool does not support the asicboost mode

Check pool configuration

2050

Failed to switch to new pool

check the network or pools configure

2310

Hash rate is too low

Check input voltage, network environment, and ambient temperature

2320

2340

The loss of hash rate is too high

2350

8000

WhatsminerTool version is too low

Download the latest WhatsminerTool

8010

Frequency is not up to standard

Upgrade to the correct software version

8020

hashrate is not up to standard

8400

Wrong software version (older or not the official version)

Upgrade to the correct software version

8410

Software version error (M2x miner with M3x firmware, or M3x with M2x firmware)

Upgrade to the correct firmware version

8700

Miner and PSU model do not match

Replace with correct PSU

52XBBB

SMX chip BBB error nonce

Contact after-sales

53XBBB

SMX chip BBB few nonce

54XBBB

SMX chip temp protected

Restart. If it doesn't work, consult after-sales

55XBBB

SMX chip BBB is reset

Replace the power supply. If it doesn't work, consult after-sales

56XBBB

SMX chip BBB does not return nonce at all

100000

Security library error

Upgrade the latest firmware or burn the card

100001

/antiv/signature Illegal

100002

/antiv/dig/initd.dig Illegal

100003

/antiv/dig/pf_partial.dig Illegal

100100

Security btminer be removed

110000

Security illegal file

110001

Security virus 0001 is removed

0x0001

Input voltage is too low, need improvement

Check the power provided from the power supply

0x0002

Temperature sampling over temperature protection of power radiator

Turn off the power for 10 minutes, then turn it back on. If the phenomenon recurs, replace the power supply

0x0004

Temperature sampling over temperature protection of power radiator

0x0008

Over temperature protection of environmental emperature sampling in power supply

0x0010

Primary side over current

0x0020

Output undervoltage

Check the power provided from the power supply

0x0040

Output over current (continuous load 320A for more than 2S)

Tighten the copper bar screw again

0x0080

Primary side over current

Turn off the power for 10 minutes, then turn it back on. If the phenomenon recurs, replace the power supply

0x0100

Single circuit overcurrent (protection point 120a)

Tighten the screws of the copper bar again

0x0200

Single circuit overcurrent (protection point 120a)

0x0400

Single circuit overcurrent (protection point 120a)

0x0800

Fan failure

Replace the PSU

0x1000

Output over current (continuous load of 310A for more than 5min)

Tighten the screws of the copper bar again

0x2000

Output over current (continuous load 295A for more than 10min)