MECOS IMC15 - Page 49

6 Troubleshooting
45
401 DrHwFlt Drive hardware
fault Fault of drive hardware or short circuit between two motor phases. Line overvoltage
IMC15 or motor cable damaged
Check for short circuits in the motor cable and the installation Ok: Replace IMC15 Fault persists: Replace system
not Ok: Replace motor cable Fault persists: Replace IMC15
402 DrPh1NoCur Drive phase 1 no
current Current sensor 1, motor phase V is not measu- ring
Motor phase V or W not connected, hardware damage IMC15
Check motor cable and installation Ok: Replace IMC15 Fault persists: Replace blower
not Ok: Replace motor cable Fault persists: Replace IMC15
403 DrPh2NoCur Drive phase 2 no
current Current sensor 2, motor phase U is not measu- ring
Motor phase U or W not connec- ted, hardware damage IMC15
see DrPh1NoCur
Diagnosis: Selfcheck Faults of the IMC15
No. Error Message Meaning Diagnosis Action