Service
Manual
12. Troubleshooting
12
9
438 9152-31/06
05.03
Errors with error codes
01E
Water level ACK not received within the
prescribed time.
Each time the machine is filled, it expects the
water level to reach the programmed level
within 10 minutes. Otherwise error code 01E is
generated.
First verify that:
• the inlet filter is not blocked
• all water faucets are open
• the drain is not leaking
• reset the error code by pressing the Start
button quickly. Continue with troubleshooting
if the error code appears again.
1. Enter the service programme and activate the water
valves on the machine, one after the other (water
valves: code 11 - 18).
All valves fill up with water One of the valves does not fill
up with water
2. Activate the defective valve in the service
programme and measure the voltage (230 V) at
the water valve.
No voltage Voltage OK
The valve is probably defective.
Verify and remedy
3. Depending on the valve, measure the supply
voltage (230 V) of the water valve at switch X35
or X36 on the card.
No voltage Voltage OK
Defective cables between the
communication card A11 and the water
valve, or programme unit card A21
defective. Verify and remedy.
The controller output on programme unit card A1 is
probably defective.
Continued on next page
X35
X36
1
1
9
Fig.
9
5183
Fig.
9
Valve Switch Code Relay
Y11, cold/warm,
compartment 1 X35:5 11 2
Y12, cold/warm,
compartment 2 X36:6 12 8
Y13, cold/warm,
compartment 3 X35:3 13 4
Y15, cold, mixing
compartment X36:5 18 9
Y22, warm,
compartment 1 X36:4 14 10
Y24, warm,
compartment 4 X35:2 15 5
Y25, warm, mixing
compartment X36:3 17 11
Y35, hard water, mixing
compartment X35:1 19 6
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