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Technical Manual WD 230 and WD 250
Rev. 1.8 PF
Page 46
73018_E rev 1 8-Technical Manual.doc
If the pressure switch 150 m bar (S 211) designed to monitor pump pressure,
remains open for 90 seconds past start of fill phase, the control system will in-
terrupt the current program and display error.
Query input S211 only active with media M1-4, M7-9 for 90 seconds after pro-
gram time and
under 85 °C wash liquid temperature. Over 85°C, query is inactive.
Cause:
Remedy:
Rotation direction of wash pump
Reverse rotation direction
by
exch. Phase 1 and 2
Foam:
flush chamber with warm
water
Incorrect conn. of wash additive
correct container connec-
tion
Pump pressure switch S 211 does not close
replace
112
Floor pan has collected water.
If input SB (optional float switch) is longer then 2 seconds closed, the control
system will interrupt the current program and display error.
Query input SB also in “Program ready” mode.
Cause: Remedy:
Coarse or fine mesh sieve clogged
clean sieves
Circuit over switch S B is open
locate interruption
Leakage in system
fix leakage, dry basin
Machine leaks
Error code 112
113
If input S 109 (opener) pressure switch opens - at 35 mm water column – within
2 seconds, display shows malfunction “Sieve clogged”, current program is inter-
rupted
Query input S 109 during entire program cycle with water M1-M4 and M9, also
with “Program ready” modus active.
Cause:
Remedy:
Coarse or fine mesh sieve clogged
clean sieves
Circuit over switch S 109 is open
locate interruption
Screen cog-
ged
Error code 113
121
The level sensor is defective or not connected.
If level sensor (P 1) is defective or not connected for more than 2 seconds (the
value must be between 0.2 and 4.5 V), the control system interrupts the current
program and displays error.
Query limit values input P1 during program cycle.
No water
Error code 121
130
The temperature sensor on bottom of wash chamber is defective or not con-
nected.
If the temperature sensor NTC 1 For the wash chamber is defective or not con-
nected (the value must be between 0 and 150 °C), the control system interrupts
the current program and displays error.
NTC 1 defec-
tive
Error code 130