Heatmaster TC series User Manual

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ENGLISHFRANCAISNEDERLANDSESPAÑOLITALIANODEUTSCH
664Y2800.B
MCBA PARAMETERS FOR THE SPECIALIST
Codes Description of the fault Resolution of the fault
Abnormal flame signal
- Check the wiring (short-circuit in the 24V wiring)
- Check the electrode
- Replace the MCBA (water damage)
No flame signal after five attempts at firing the boiler
- Check the ignition cable
- Check the electrode and the position of the electrode
- Check that there is gas at the burner.
Rectifier or gas valve error Replace the rectifier or the gas valve
Persistent lock Press “RESET”
Internal error
If the problem persists after two RESET attempts,
replace the MCBA.
EPROM error
If the problem persists after two RESET attempts,
replace the MCBA.
Max input, thermostat open or 24V fuse gone.
- Check the wiring
- Check the 24V fuse on the MCBA.
- Shunt12-13 missing
Internal error
If the problem persists after two RESET attempts,
replace the MCBA.
T1 > 110°C
- Check the NTC wiring and replace if necessary.
If NTC1 is OK, please verify that the water flows trough the
boiler.
T2 > 110°C - Check the NTC wiring and replace if necessary.
T1 gradient too high
- Check that the pump is turning.
- If there is no problem with the pump, drain the system.
No fan signal present
- Check the fan control connection
- Check the fan wiring
If the problem persists after two RESET attempts,
replace the MCBA.
The tacho signal of the blower does’nt go to zero.
- Check that the convection flow through the chimney is not
high enough to rotate the blower.
If not, exchange the blower.
NTC1 short-circuit
- Check the connection of the NTC1 sensor
- Check the wiring of the NTC1 sensor
If the problem persists, replace the NTC1 sensor
NTC2 short-circuit
- Check the connection of the NTC2 sensor
- Check the wiring of the NTC2 sensor
If the problem persists, replace the NTC2 sensor
To unlock the system:
• Press RESET on the screen.
• Contact your installer if the fault happens again.
SAFETY STOP [ERROR mode]
If a fault occurs while the appliance is running, the system locks
and the screen starts to flash. The first character is an E and
the next two characters give the code for this fault, as illustrated
in the table below.

Heatmaster TC series Specifications

General

Brand	Heatmaster
Model	TC series
Category	Water Heater
Language	English