Bosch WFMC64 Repair Manual page 21

21
WFMC Service Tips
WFMC Service Tips
Test P1:ERRORS / P:01 (Viewing motor control fault codes) --
pushing Start/Pause button. Scroll through all fault codes by pushing Spin Selection (WFMC32/33/53) or
Menu (WFMC64/84) buttons. If motor fault codes can't be accessed, no faults occurred – control module
fault codes will show repeatedly.
• WFMC32/33/53 displays alternates between fault code (e.g. d:01) & when fault occurred on in last 16
washes (e.g. C:00) – shows C:00 if fault didn't occur.
• WFMC64/84 displays show fault code & when fault occurred in last 16 washes (e.g. 0 - dr:01).
WFMC32/WFXD52 WFMC64/WFXD84
Displays
d:01
d:02
d:03
d:06
d:07
d:08
d:09
d:10
d:11
d:12
d:13
d:14
d:15
d:16
d:17
d:18
NOTE: Fault codes stored in
motor control can't be cleared .
702_58300000133618_ara_en_a
Fault Codes (Test 1)
Fault Codes (Test 1)
Displays
Test #
Motor control short circuited.
dr:01 P:04
Motor control interruption.
dr:02 P:04
Damaged motor control temperature sensor.
dr:03 P:04
NTC relay failure.
dr:06 P:04
Motor control (inverter) failed or motor shorted. Faulty motor control or motor.
dr:07 P:04
Motor speed sensor failed.
dr:08 P:04
Voltage too high.
dr:09 P:04
Power limiter switch off.
dr:10 P:04
Voltage too low.
dr:11 P:04
Motor control high current switch off.
dr:12 P:04
Motor control high temperature switch off.
dr:13 P:04
Motor control high temperature warning.
dr:14 P:04
Power limiter warning.
dr:15 P:04
Motor high temperature switch off.
dr:16 P:04
Motor high temperature warning.
dr:17 P:04
Peak voltage too high.
dr:18 P:04
HINT: If no motor fault codes occurred, fault codes can't be
scrolled to – module fault codes will show up repeatedly.
– Test Program (2C): Motor Control
– Test Program (2C): Motor Control
Start & end test P1 by
Problem
Last 16 fault codes are
stored & displayed!
HINT: Motor fault codes don't
show if none occurred -- # of
faults reads "0" for faults which
didn't occur. Scroll thru all
faults and look at # of faults to
see which faults occurred.
Possible Cause(s)
Faulty motor control.
Faulty motor control.
Faulty temperature sensor.
NTC too hot or relay stuck closed.
Faulty speed sensor or wire harness.
Faulty motor control.
Motor overloaded or binding.
Faulty motor control.
Motor overloaded or binding.
Motor overloaded or binding.
Motor overloaded or binding.
Motor overloaded or binding.
Motor overloaded or binding.
Motor overloaded or binding.
Faulty motor control.
Rev 0 (1/17/08)