Installation and operating instruction
Oil condensing boiler WTC-OB 18-B
10 Troubleshooting
83311002 1/2018-03 La
91-132
Resetting
WARNING
Damage resulting from incorrect fault repair
Incorrect fault repair can cause damage to the equipment and injure personnel.
Do not carry out more than 2 lockout resets successively.
Faults must be rectified by qualified personnel.
Reset the fault using the reset button and wait for a few seconds.
The system is reset.
If a fault occurs, the appliance can change over to forced ventilation (duration ap-
prox. 30 seconds). The appliance cannot be reset during this time.