Alarm troubleshooting

1,997 real controller alarms with step-by-step diagnostic trees — filter by brand and unit, or type the code straight from your screen.

56 alarms · sorted by code · page 1 of 3

#SP9043 — Alarm SP9043 (Alarm Code 43) Diagnostic

Alarm SP9056 (INNER COOLING FAN STOP) Diagnostic Tree

Alarm SP9058 (OVERLOAD IN PSM) Diagnostic Tree

Alarm SP9059 (COOLING FAN STOP IN PSM / Alarm Code 02) Diagnostic Tree

Alarm SP9066 (AMP MODULE COMMUNICATION) Diagnostic Tree

Alarm SP9068 (INCORRECT PARAMETER / TERMINATING RESISTANCE) Diagnostic Tree

Alarm SP9073 (MOTOR SENSOR DISCONNECTED) Diagnostic Tree

Alarm SP9074 (CPU TEST ERROR) Diagnostic Tree

Alarm SP9075 (CRC TEST ERROR) Diagnostic Tree

Alarm SP9079 (ABNORMAL INITIAL TEST OPERATION) Diagnostic Tree

Alarm SP9080 (ALARM AT THE OTHER SP AMP) Diagnostic Tree

Alarm SP9081 (1-ROT MOTOR SENSOR ERROR) Diagnostic Tree

Alarm SP9082 (NO 1-ROT MOTOR SENSOR) Diagnostic Tree

Alarm SP9083 (MOTOR SENSOR SIGNAL ERROR) Diagnostic Tree

Alarm SP9084 (SPNDL SENSOR DISCONNECTED) Diagnostic Tree

Alarm SP9085 (1-ROT SPNDL SENSOR ERROR) Diagnostic Tree

Alarm SP9086 (NO 1-ROT SPNDL SENSOR) Diagnostic Tree

Alarm SP9141 (SER.SENSOR NO 1-ROT SIGNAL / Alarm Code E1) Diagnostic Tree

Alarm SP9142 (SER.SENSOR ABNORMAL / Alarm Code E2) Diagnostic Tree

Alarm SP9145 (LOW VOLTAGE DRIVER / Alarm Code E5) Diagnostic Tree