Miele G 7881 Service Manual

Service Level S 26
Program
Selector Switch
SettingDisplay Function
5 o'clock
2)50 Without use of dispenser relay control EZQ 081.
51 With use of dispenser relay control EZQ 081.
Table 49:Service LevelS 26
1)If the programming mode is locked, selection of service level 2 is made more difficult. During
activation, both buttons must be pressed for 2 seconds.
2)From software version P 07.
2.9.7 S 27, Program Lock Options (From P 03)
For service mode 2 access, see Service Mode 2 Summary, 070 4.3.
x...

2.10 Fault Indication Without Flashing or Lit Fault LEDs
2.10.1 General Information
All faults registered by the electronic that do not involve water intake, drainage or
the dispenser systems aresaved in a fault code memory and not indicated via
any warning LEDs. The last 3 detected faults are saved provided they are
different. The most recently registered fault code is only stored if a different fault
code (or no fault code) is already saved. This prevents the possibility of the same
fault being...

In programs (first water intake only) with legally fixed cleaning parameters a
minimum water quantity is not monitored. To advance from the water intake step
the heating level switch must have switched to register sufficient water level. If it
does not switch, fault codeF 1Eis displayed if pulses from the flow meter are
registered or fault codeF 0Eis displayed when no pulses are detected.
–F 2E
During water intake a flow meter provides sufficient pulses but the quantity of
water required is not taken in...

3 Fault Repair
3.1 Fault Code Summary
Cause
See Table 51.
x
Fault code Symptom Cause Remedy
F00No registered fault Machine functioning correctly None
F0EMinimum number of
pulses (5) not
registered within the
first 7 seconds. The
program is
interrupted.No water intake Check on-site shutoff valves.
Check filter in waterproof system.
Check hoses for kinks and blockages.
Check waterproof system.
No pulse provided by flow
meterSee Minimum/Maximum Number of Flow
Meter Pulses Not Achieved, 041 3.2
Faulty...

Fault code Symptom Cause Remedy
F3EHeating level switch
has not switched after
water intakeHeating level switch defective Check circulation pump for correct
operation; see service mode 2, 070 2.9.3
S 23, Checking Outputs 1 to 11.
Check connection plugs and leads.
Check heating level switch for correct
switching point (2 s after circulation
pump starts at rated speed).
Check circulation pump connection
hoses for blockages.
See Heating Level Switch Does Not
Switch On, 050 3.1
F4EFlow meter provides
pulses...

Fault code Symptom Cause Remedy
F02Wash water
temperature T2 in
wash block NS2 not
reached within 60
minutesTemperature limiter F2 has
cut outReset temperature limiter F2. See
Resetting Temperature Limiter F2
(Thermostat), 030 4.2. If necessary,
replace the temperature limiter. See
Replacing Temperature Limiter F2
(Thermostat), 030 4.3.
Heater elements do not heat
upCheck heater elements. If necessary,
replace a faulty heater element; see
Heater Element Replacement, 030 4.5..
Heating level switch does...

Fault code Symptom Cause Remedy
F11The additional module
cannot be addressed
via the I
2C busBus leads defective Check the bus leads and plug
connections. Replace electronic, if
necessary.
The fault code is displayed
even after replacing an
additional module.Replace the control electronic. Also,
check the connection cable for abrasions
and short circuits, and replace if
necessary.
3)4)
F12(G 7882 CD and G
7883 CD only)Drying temperature
has not been reached
(warning and fault
indication).Fan in drying...

Fault code Symptom Cause Remedy
F20Water check NTC sensor or
its leads short-circuited
(monitoring processor)Check leads and plug connections.
Replace leads, if necessary.
F21Water check NTC sensor or
its leads open-circuited
(monitoring processor)Check leads and plug connections.
Replace leads, if necessary.
F22Temperature variation
between the two NTC sensors
too largeCheck leads and plug connections.
Replace leads, if necessary
One of the NTC sensors has
incorrect resistanceCompare resistance values...

Fault code Symptom Cause Remedy
F27Desired temperature
not reached in wash
block VR, SP1, SP2,
SP3, or SP4Temperature limiter F2 has
cut outReset temperature limiter F2. See
Resetting Temperature Limiter F2
(Thermostat), 030 4.2. If necessary,
replace the temperature limiter. See
Replacing Temperature Limiter F2
(Thermostat), 030 4.3.
Heater elements do not heat
upCheck heater elements. If necessary,
replace a faulty heater element; see
Heater Element Replacement, 030 4.5..
Heating level switch does not...

Fault code Symptom Cause Remedy
S F2 (warning code)Fine filter warning. See Microfine Filter Replacement, 095
4.4.
Water drain faultWater drainage fault
approximately 20 s
after start of water
intake stepThe water drainage check, 20
s after the start of the water
intake step, is carried out by
checking the heater pressure
monitor (HDW). With a high
water supply pressure and a
high opening tolerance of the
inlet valves, too much water
may flow into the machine.
The heater pressure monitor
switches too...