10 APPENDIX I: FAULT LIST.
Nr
Fault message
Explanation
1
Loading door has opened during the cycle.
Check and adjust solenoid lock and microswitch of the
door.
3
Controlling temperature sensor has short circuit.
Check connections or change sensor
4
Controlling temperature sensor has open circuit.
Check connections or change sensor
5
Verifying temperature sensor has short circuit.
Check connections or change sensor
6
Verifying temperature sensor has open circuit.
Check connections or change sensor
7
Water intake is blocked.
Check water supply solenoid valves and water level
switch. Clean mud filter. Check the taps are open.
8
There is water in the chamber.
Check the level switch, outlet pump and drain.
9
Water heating failed
Check the heating contactors, overheating protector and
heating coils.
10
Water circulation pressure too low.
The most common cause for this fault is closed taps.
Check the pressure transmitter, circulation pump, and
water inlets.
11
Overflow, water level too high.
Check the inlet valves for leakage. Check water levels and
drain outlet.
12
Water drained from chamber at wrong time.
Check drain outlet function. Check the anti-siphon valve of
the draining hose is not stuck.
13
Water temperature above set limit
Check contactors, check hot water supply temperature
14
Water circulation pressure dropped too low
Check foaming, check pump function, chamber sieve,
pressure sensor.
16
Difference between temperature sensors
is too high
Calibrate sensors
Values of both sensors can be looked in component testing mode.
21
Water pump thermal relay has been tripped
Reset thermal relay, check the pump and reason for pump
overload.
23
Water temperature below the set value
Check heating contactors, overheating protector and
heating coils.
25
Loading door lock not interlocked
Check door interlock functions
26
Loading door stayed interlocked
Check door interlock functions
27
Door is not closed.
Check door micro switch
32
Loading door interlock opened during cycle
Check door interlock functions
33
Pressure transmitter has open circuit
Check pressure transmitter and cabling
34
Chemical flow 1 fault
Check flow switch and dosing system
Flush in user's mode, see 5.10
35
Chemical flow 2 fault
Check flow switch and dosing system
Check flow switch and dosing system
Flush in user's mode, see 5.10
38
Chemical tank 1 empty
Fill tank, check level detector
39
Chemical tank 2 empty
Fill tank, check level detector
41
Rinse aid tank empty
Fill tank, check level detector
52
Electric board temperature too high
Automatic thermostat max 50
0
C on electric board.
Does the fan run ? Ambient temperature >50
0
C?
33
Summary of Contents for DEKO 25iX
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