Operating instructions FV 28 GiO
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W e reserv e the right to change ex ecution and construction!
MEIKO Maschinenbau GmbH & Co. KG, Englerstr. 3, D-77652 Offenburg, Tel.: +49/781/203-0, Fax: +49/781/203-1121
ERR.-No. Description
Possible cause
205
Boiler temperature not reached
after max. Heat time (P.310)
Boiler heating defective / thermal fuse
radiator
Temperature sensor defective, incorrect
installation position
Boiler contactor defective, performance
switch loosened
No signal from ON/OFF circuit boards
210
Temperature sensor short circuit
boiler
Check sensor cable (plug contacts)
Replace sensor
Install sensor correctly
211
Temperature sensor interruption
boiler
Check sensor cable (plug contacts)
Replace sensor
Install sensor correctly
212
Actual boiler temperature too
high(>95°C)
Contactor sticking
Incorrect sensor / defective sensor
Check sensor / cable
301
Number of final rinse cycles for
tank filling exceeded
Tank level analysis disrupted
Feeding water pressure too low
Sieve in feeding valve is dirty
Rinse jets soiled
Air trap soiled
Condensate in level pipe
Hose kinked / loose / not watertight
302
During the self-cleaning pro-
gramme the tank level (S3) does
not fall on time.
(Only with built -in drain pump.)
Fresh water supply insufficient
(water faucet closed)
Drain pump soiled / defective
Rotor loose
Drain pump plug connector loose
Start capacitor defective
Tank level analysis disrupted
No signal from ON/OFF circuit boards
304
Tank temperature not reached
after max. heat time (P.314)
Tank heating defective / thermal fuse
Radiator
Temperature sensor defective, incorrect
installation position
Tank protection defective, performance
switch loose
310
Temperature sensor short circuit
tank
Check sensor cable (plug con-
tacts)Check sensor cable (plug contacts)
Replace sensor
Install sensor correctly
311
Temperature sensor interruption
tank
Check sensor cable (plug contacts)
Replace sensor
Install sensor correctly
312
Actual Tank temperature too high
(>85°C)
Contactor sticking
Incorrect sensor / defective sensor
Check sensor / cable
Table 3: Error messages
Should information or fault numbers not shown in the tables be indicated, or should the
suggested measure not lead to the elimination of the fault, please notify a customer ser-
vice technician.
