Effekta MH6000 - UPS Failure Codes Reference

UPS MH6000 Manual
MH Series
Page 42 of 51
10.2 Failure codes
The following schedule illustrates the existing failure codes of the UPS:
Code
Status
Er01
1. Phase BUS capacitor pre-voltage is faulty (<90% battery voltage
after 30 seconds ） or battery fuse failed (relays soft start on).
Er02
2. AC SCR or battery SCR soft start is faulty (<90% battery voltage or
<85% voltage peak supply after 3 seconds ） (ACSCRDrv or battery
SCrDrv on).
Er03
3. PFC (additional voltage) is faulty after 30 seconds (PFCUPDrv and
PFCDNDrv on).
Er04
Inverter is not working.
Er05
Batteries are low or have been bad during self-test.
Er06
Short circuit at the output.
Er07
EPO mode
Er08
DC BUS overload failed.
Er09
DC BUS under load failed.
Er10
Inverter over current
Er11
UPS overheating.
Er12
Overload
Er13
charger out of service or failed.
Er14
Ventilator is out of service.
Er15
Mistaken MTBS input process or failed MTBS activation in the CVCF-
mode.
Er16
No use (occupied).
Er17
No use (occupied).
Er18
EEPROM defect UPS is in presetting-mode (normal/220V/adj0%/+/-
3Hz/low sen)
Er19
No use (occupied).
Er20
AC Bus voltage can not release.
Er21
No use (occupied).
Er22
Bypass SCR or output fuse failed.
Er23
Inverter relays or SCR or output fuse failed.
Er24
Bypass input has been locked during service in CVCF-mode.
Er25
No use (occupied).