Installation and operating instruction
Oil condensing boiler WTC-OB 18-B
10 Troubleshooting
83311002 1/2018-03 La
93-132
Interrogating system status
Select fault with dial knob.
Press [ENTER].
System status when fault occurred is displayed.
Turn dial knob to interrogate information.
Info
System
Unit
i 10
Operating phase
1
: standby check fan
2
(
H
): oil preheating
3
: pre-purge / pre-ignition
4
: safety time
5
: post-ignition
6
: flame stabilisation
7
: controller enable
8
: post-purge
9
: forced venting
–
i 11
Rating
kW
i 14
Burner running time up to fault
s
i 16
Combustion chamber pressure
mbar
i 20
Three way valve setting
H
: Heating operation
W
: DHW
mA
i 21
Solenoid valve control
0
: Off
1
: Solenoid valve 1
2
: Solenoid valve 1 + 2
–
i 30
Flow temperature
°C
i 31
Flue gas temperature
°C
i 33
External temperature
°C
i 34
DHW temperature B3
°C
i 37
Combustion air temperature
°C
i 40
Burner starts since the most recent fault
–
ESC
Exit level