Technical Information
56
PW 6xx7
MDU fault # Possible cause Notes Indication in EW 235
display
Fault/Information
F4142 FEHLER_HEIZSYST
EM_TGS_SPEICHER
N
Electrically heated machine.
During a program and during a
heating phase only one or no
heating-dry protection contact is
closed (relay contact 13, 14 on
1K1/1 and/or 2K1/1). If control
registers a temperature
increase of 5°C via NTC sensor
after 3 min, no fault is indicated.
Heating-dry protection contacts
defective.
No display Fault
F4143 FEHLER_THERMOS
TOP
Overriding safety time of 80 min
exceeded in Thermostop.
Heating defective. NTC sensor
defective.
“HEATING SYSTEM
FAULT! Call the
service department if
restart does not work.”
Fault
F4144 Door lock switch S3
does not switch or
motor thermostat F3
has tripped.
Door lock locking has not been
registered even though 2
locking attempts have been
carried out. Check N1L_ST3,
A2, S3.
“DOOR LOCK FAULT!
Call the service
department if restart
does not work.”
Fault
F4145 FEHLER_TUERSCH
LOSS_ENTRIEGELU
NG
5 unsuccessful attempts to
unlock door have been carried
out
“DOOR LOCK FAULT!
Call the service
department if restart
does not work. Use
emergency door
release.”
Fault
F4146 FEHLER_TUERSCH
LOSS_TUER_OEFF
NEN
Clean/Soiled side machine.
Door opening unsuccessful 30 s
after pressing door button.
“DOOR LOCK FAULT!
Call the service
department if restart
does not work.”
Fault
F4147 FEHLER_TUERSCH
LOSS_TUER_SCHLI
ESSEN
Clean/Soiled side machine.
Door closing unsuccessful 30 s
after closing door
“DOOR LOCK FAULT!
Call the service
department if restart
does not work.”
Fault
F4148 FEHLER_TUERFREI
GABESIGNAL
Unlocking door at program end
or after program end with power
interruption not possible. Check
switch S5, B-14, wiring, and
communication from frequency
converter.
“DOOR LOCK FAULT!
Call the service
department if restart
does not work.”
Fault
F4149 Fault - Emergency
door release. Door
opened
During a program in operation
the door has been opened.
L_door signal (signal from S1 to
ELP 235, plug N1L_ST37,
contact marking) missing. Open
circuit, contact fault.
After a program has
started: “Emergency
door release. Close the
door and press start.”
Fault
F4150 FEHLER_NOTENTRI
EGELUNG_TUER_G
ESCHLOSSEN
After program stop due to an
emergency door release, the
door is closed again. L_door
signal (signal from S1 to ELP
235, plug N1L_ST37, contact
marking) missing. Open circuit,
intermittent, contact problems.
After program has
stopped: “Emergency
door release program
stop. Press start.”
Fault
F4151 No level increase
within 5 min
300 s of water intake without
level increase ≥ 10 mm wc.
Water intake blocked. Analog
pressure sensor (ADS on ELP
235) defective. Air path from
suds container, air trap, hose,
branch piece, B1-14, imbal-
ance sensor, hose to analog
pressure sensor leaking. Drain
valve does not close.
“WATER INLET
FAULT! Call the
service department if
restart does not work.”
Fault
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