39
GTV
FORCED CONVECTION AIR HEATERS
Instructions for Installation and Servicing
There are installed mode indicator lamps on the front side of appliance:
•
GREEN: operation indicator lamp
•
RED: error indicator lamp
11.
Troubleshooting
The appliance does not start
The appliance operates continuously
The appliance just prepurges
The appliance does not
start
Faulty electrical installation
Check the installation
Missing voltage
Check the electrical supply
The temperature regulator
is not switched on
Raise the temperature on
the thermostat
The device is in „RESET”
position
Push the „RESET” button on
the therm� or PCB
The safety temperature lim-
iter therm. is switched off
Push the „RESET” button on
the temp� limiter thermostat
Faulty exhaust fan
Change the exhaust fan
Faulty automatic burner
control or sign processor
panel
Change the control unit or
panel
The device never stops
The temperature
regulator therm� is
adjusted for too high
temperature
Reduce the temperature
or change the therm�
The device just continu-
ously prepurges
The differential pressure
switch is not connected
to the fan
Connect the pressure
switch to the fan by
silicone pipe
Faulty pressure switch
Change the pressure
switch