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error 203 means , no change detected by the level switch when draining . possible cause
1, booster pump faulty
2, booster pump plug connector loose
3, start capacitor faulty
4, plug connector loose
5, boiler level switch faulty
6, no boost pump signal to- i/o pcb
7, no "boiler full" signal from i/o pcb check booster pump/ s2with manuel control
the most lightly or most common is the level switch in boiler tank will need changing
212 Boiler temperature too high Contactor faulty, probe faulty, check connection on XA5
The code 312 is the same as a code 212 as stated above.
There are dozens of error codes and you should be able to get them from your local meiko dealer, hope this helps, colin
111 Floor pan Leakage Leak inside machine activating ground float switch 302 At pumping out during rinse cycle level does not fall below level 1 Drain pump faulty, blocked, aqua stop not closing completely, no signal from circuit board (connection number 6 on XA1 connection plug)
Hi, i work on these machines on a regular basis and until very recently i was a Meiko service engineer- the code ERR203 means that there was no change detected at the boiler level switch during emptying- be it on the fill or rinse cycle.
This fault is mostly caused by the booster pump failing to pull water but could also be caused by blocked rinse jets or a faulty boiler level switch.
Hope this info is of use to you ,