Weishaupt WTC-GB 90-A, Инструкция по установке и эксплуатации

Страница: 77 / 96

Error code Cause Rectification
F51 Data record error boiler
▶
Check the BCC connector and replace if nec-
essary.
▶
Restart configuration (see Ch. 6.5).
▶
Reset appliance, replace WCM-CPU on re-
peat occurrence.
F52 Data record error burner
▶
Check the BCC connector and replace if nec-
essary.
▶
Reset appliance, replace WCM-CPU on re-
peat occurrence.
F53 Supply voltage or power frequency outside the
tolerance limits
▶
Check mains supply.
▶
Reset appliance, replace WCM-CPU on re-
peat occurrence.
F54
Electronic fault
▶
Rectify electromagnetic disturbance source.
▶
Reset appliance, replace WCM-CPU on re-
peat occurrence.
F55 System has been reset too often
(max 5 times within 5 minutes)
▶
Temporarily interrupt voltage supply.
F57 Communication WCM-CPU and WCM-CUI
faulty.
▶
Check the connection
▶
Rectify electromagnetic disturbance source.
10.3.3 Operating problems
Observation Cause Rectification
Burner does not operate in spite of
heat demand
Burner rapid cycle interlock ac-
tivated
eSTB, supply sensor, return
sensor must lie within a temper-
ature range of 4 K.
▶
Wait for the cooling down.
▶
Check sensor and replace if necessary.
Whistling noises / burner booming Incorrect combustion values
▶
Check combustion values
Burner tube is contaminated/
damaged
▶
Check the burner tube and replace if nec-
essary
Smell of flue gas Siphon fill level insufficient
▶
Fill siphon
Poor start behaviour Ignition electrode set incorrectly
or damaged
▶
Set ignition electrode, or replace if neces-
sary (see Ch. 9.4)
Incorrect combustion values
▶
Check combustion values
Installation and operating instruction
Gas condensing boiler WTC-GB 90-A
10 Troubleshooting
83266502 • 1/2010-08 • La
77-95