Fault Finding
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MillipaK 4QPM Controller Manual Page 68 13/08/03
ID Fault Description Flash Fault
10 Two Direction Fault Two directions selected together. 2
11 Sequence Fault Direction or FS1 switch closed at power up. 2
12 Low Battery Fault Battery voltage is too low. 7
13 High Battery Fault Battery voltage is too high. 7
14
High Battery Fault with
Line Contactor Open
Battery voltage is too high before the line
contactor is closed
7
15
Configuration Range
Fault
A personality is out of range. 1
16
Configuration CRC
Fault
The personality CRC is incorrect 1
17
Line Contactor Welded
Fault
Line contactor is welded. 4
18
Line Contactor did not
Close Fault
Line contactor is open circuit. 4
19
Lower MOSFETs Short
Circuit
Short circuit on Q2/Q4 Armature MOSFETs
detected.
3
20 - Reserved for future use -
21 MOSFET Off
MOSFETs did not pulse during power on
failsafe checks (failsafe circuit enabled).
0
22 MOSFET On
MOSFETs pulsed during power on failsafe
checks (failsafe circuit disabled).
0
23
Upper MOSFETs Short
Circuit
Short circuit Q1/Q3 Armature MOSFETs
detected.
3
24 Drive 2 Off
Contactor 2 did not pulse during power on
failsafe checks (failsafe circuit enabled).
0
25 Drive 2 On
Contactor 2 pulsed during power on failsafe
checks (failsafe circuit disabled).
0
26 Drive 1 Off
Contactor 1 did not pulse during power on
failsafe checks (failsafe circuit enabled).
0
27 Drive 1 On
Contactor 1 pulsed during power on failsafe
checks (failsafe circuit disabled).
0
Table 11: Fault Numbers and Descriptions
Fault Clearance
Any fault indication will be cleared by re-initiating the start sequence after the cause of the fault
has been removed.
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