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Operating Manual WD 425E
Rev. 1.
1
, LS Page 27 of 34
78563_E rev 1.1.doc
135
Monitoring temperature sensor in DI boiler is defective or is not connected. Delay time 1
second.
See error 130
NTC 6 defective
Error code 135
140
During filling, float switch SD in DI boiler - Boilers is still open after 3 minutes. No DI water
intake into boiler.
Interrogation input SD only during filling process.
Cause Remedy:
DI water valve closed
Open DI water valve
DI valve defective
Clean or replace
Float switch SD is defective
Replace SD.
No DI water
Error code 140
141
Operating level cannot be attained with CW during filling process. No CW intake into wash
chamber or door switch of door (S1) is open.
If working level 2 of level sensor P1 during CW (valve Y 11) filling cycle is not attained within
a predetermined period tcw (5 minutes), control system will shut current program down un-
der error indication.
Monitoring limit value: Only during filling cycle until working level 2 is attained.
Cause:
Remedy:
Activate with control Y11
CW water valve closed
Open CW valve
CW valve defective
Clean or replace
Level measuring system P1 is not tight
Check hoses and connections
S 110 door switch does not close Check door switch and its position
No cold water (CW)
Error code 141
142
Working level with WW is not attained during filling cycle. No WW supply into wash chamber
or door contact of door (S1) is open.
If working level 2 of level sensor P1 during filling cycle with WW is not reached within a pre-
determined period tww (5 minutes), control system will break off current program under error
indication.
Monitoring limit value: As under 141
Non warm water (WW)
Error code 142
143
Working level with DI water is not reached during filling cycle.
If working level 2 of level sensor P1 during filling cycle with DI water (valve Y 13) is not
reached within a predetermined period tdi (7 minutes), control system will break off current
program under error indication.
Monitoring limit value: As under 141
No DI water
Error code 143
146
Working level for disinfected final rinse water DI water (M8 or 9) from boiler is not attained
during filling cycle.
If working level 2 of level sensor P1 during filling cycle with disinfected water DI water (drain
valve Y 32) is not reached within a predetermined period tdiw (3 minutes), control system
Kein DI Wasser
Error code 146