Test Program (2C): Motor Control Fault Codes (Test 1) - Bosch WFMC3200UC Training Manual

63
WFMC Service Tips
WFMC Service Tips
Test P1:ERRORS / P:01 (Viewing motor control fault codes) --
pushing Start/Pause button. Scroll through list of (18) fault codes by pushing Spin Selection
(WFMC3200) or Menu (WFMC6400) buttons.
• WFMC3200 display 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.
• WFMC6400 display shows fault code & when fault occurred on in last 16 washes (e.g. 0 - dr:01).
WFMC32 WFMC64
Display Display
Test #
d:01 dr:01
d:02 dr:02
d:03 dr:03
d:06 dr:06
d:07 dr:07
d:08 dr:08
d:09 dr:09
d:10 dr:10
d:11 dr:11
d:12 dr:12
d:13 dr:13
d:14 dr:14
d:15 dr:15
d:16 dr:16
d:17 dr:17
d:18 dr:18
Fault Codes (Test 1)
Fault Codes (Test 1)
Problem
Motor control short circuit
P:04
Motor control interruption
P:04
Damaged motor control temperature sensor Faulty temperature sensor.
P:04
NTC relay failure
P:04
Motor winding short circuited
P:04
Motor speed sensor failed
P:04
Voltage too high
P:04
Power limiter switch off
P:04
Voltage too low
P:04
Motor control high current switch off
P:04
Motor control high temperature switch off
P:04
Motor control high temperature warning
P:04
Power limiter warning
P:04
Motor high temperature switch off
P:04
Motor high temperature warning
P:04
Peak voltage too high
P:04
-- Test Program (2C): Motor Control
-- Test Program (2C): Motor Control
Start & end test P1 by
Possible Cause(s)
Faulty motor control.
Faulty motor control.
NTC too hot or relay stuck closed.
Motor winding short circuited
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.
Last 16 fault codes are
stored & displayed!
HINT: # of faults reads "0"
for faults which didn't occur.
Look at # of faults, not error
#, to see if faults occurred --
scroll thru all faults to check
if any occurred.
1st Edition/Revision 6 (2/2/04)