WFU12A-ILS
21
4.3 MF37 Fault codes
Err 5
Err 3
Hot PS
Text on Display Panel
Corrective Action
Beeps every second
Torch is pressed during startup
Display Fault. Call service
PSU Temperature sensor fault
Motor driver temperature sensor fault
Short on torch switch socket.
Motor jammed
Motor Driver over temperature.
Motor driver Fault.
Release button, reset machine.
Motor unit not detected
Motor unit not working
Call service
Call service
Call service
Description
Hot drv
OUERLOAD
Err 1
No display
Err 6
Err 7
Check wiring to motor
Call service
Check wire tension
Call service
Check wire tension and gearbox
Call service.
Gas valve issue.
Call service
Torch
PSU over temperature
Err 10
Err 11
Contactor issue
bAtt Err
Prob. 7
Prob. 6
Prob. 4
Text on Display Panel
Corrective Action
Reserve power supply low.
Leave connected to power source
Reserve power supply error
to charge up
Call service
Gas valve not detected.
power supply. Call service.
Contactor not detected.
Check connections to gas valve
Gas valve voltage.
Check connection to gas valve.
Check connections to internal
Check connections to contactor
Description
Prob. 5
bAtt LO
Warning codes
Driver brake fault
