Status codes in the event of a fault in the primary circuit
No.
Cause / Remedy
(500) Module 1 (top) temperature sensor faulty
(501) Module 2 (bottom) temperature sensor faulty
(502) PCB temperature sensor faulty
(503) Primary overtemperature
(504) Fan blocked/faulty
(505) Intermediate circuit over/undervoltage
(506) Intermediate circuit imbalance
(507) Primary supply voltage outside the tolerance
(508) Power failure
(509) Wrong device configuration
(510) Primary EEPROM faulty
(527) Phase shifter overcurrent
(528) Charging relay switched off during load operation
(530) Communication error
(532) Microcontroller error (e.g. division by 0)
(533) Reference voltage outside the tolerance
(534) Start-up error
(535) PFC overcurrent
(536) Phase shifter or PFC faulty
Status codes in the event of a fault in the secondary circuit
No.
Cause / Remedy
(520) Secondary temperature sensor faulty
(521) Secondary overtemperature
(522) Output fuse faulty
(523) Secondary supply voltage outside the tolerance
(524) Secondary reference voltage outside the tolerance
(525) Current offset
(526) Current offset outside the tolerance
(527) Power module overcurrent (primary)
(529) No secondary communication
(530) No primary communication
(531) Secondary EEPROM faulty
(532) Microcontroller fault
47
EN
