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
(537) Voltage measurement faulty
(570) Secondary relay cannot be switched
(571) ADC/SPI error
Status codes in the event of a fault in the controller
No.
Cause / Remedy
(540) Configuration memory chip missing/faulty
(541) No secondary communication
(542) Secondary initialisation failed
(543) Program/memory fault in characteristic control
(544) Program/memory fault in characteristic control
(545) Primary initialisation failed
(546) Update failed
(547) Load/save settings failed
(548) Load/save characteristic settings failed
(549) Charging could not be resumed after a power failure
(550) Time not set
(551) Hardware change detected
(552) Configuration memory chip invalid
(553) Primary update failed
(554) Fault in the master-slave communication
(555) Incorrect device software
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