MCS MH 500, User And Maintenance Book, Page: 15 / 34

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12. TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION
The heater
does not start or
does not remain
on 1. On-off button not pressed
correctly or on-off switch is
“OFF“ (0)
2. No power supply
3. Interrupted power cable
4. Electronics need to be reset
or are faulty
5. Incorrect setting of the
room thermostat (if there is
one)
6. No fuel
7. Foreign substances in fuel
circuit
1. Press the on-off button correctly or set the
on-off switch to “ON“ (I)
2a. Check that there is electric power
2b. Check that the heater is connected to the
correct power supply
2c. Contact the authorised technical support
centre
3. Contact the authorised technical support
centre
4a. Reset the heater
4b. Contact the authorised technical support
centre
5. Set the room thermostat to a temperature
higher than the temperature of the working
environment
6. Refuel and, if necessary, reset the heater
7. Contact the authorised technical support
centre
The heater
generates
smoke during
operation 1. Foreign substances in fuel
circuit
2. Obstruction of inlet air vent
1. Contact the authorised technical support
centre
2. Remove all possible obstructions of the
rear grille
The heater
does not switch
off 1. Electronics are faulty 1. Contact the authorised technical support
centre
Not
for
Reproduction