TROUBLESHOOTING GUIDE
FAULTS
CAUSES
REMEDIES
•
The generator fails to start
•
No power supply
•
Check power specifications
•
Check power connections
•
Check fuse integrity
•
Main switch in wrong position
•
Select correct position
•
Faulty operation of room thermostat
•
Check thermostat position
•
Check thermostat operation
•
Safety device (control unit, safety
thermostat, etc.) not reset after a repair
•
Press button (1) on the control panel
•
The duct gives too much back pressure
and airpressure switch PA1 blocks the
heater
•
Reduce back pressure by straightening
the duct or by reducing duct length
•
The generator stops and the indicator
light (1) comes on
•
Gas pressure switch trips due to
interruption of gas flow (gas pressure
switch electric contact does not close
during operation)
•
Make sure the gas supply hose has been
bled
•
Check gas supply pressure
•
Micro-switch PAM intervention for fan
malfuction
•
Make sure the suction and feed grilles
are not blocked
•
Make sure the fan is turning properly
•
Check the electric motor and capacitor
and, if these are faulty, replace
•
The flame sensor is not operating
correctly
•
Remove the flame sensor and clean
•
The safety thermostat trips due to
overheating of the combustion chamber
(the thermostat electrical contact does not
close during operation)
•
Makes sure the suction and feed grilles
are not blocked
•
Make sure the environment is well
ventilated
•
Make sure the warm air can exit freely
•
Make sure the flow and pressure of the
gas are not too high
•
Control unit trips due to irregular
operation of burner
•
Contact After-Sales Service
•
Faulty gas pressure switch
•
Check the pressure switch and, if
necessary, replace
•
Faulty micro-switch PAM
•
Check the micro-switch and, if
necessary, replace
•
Faulty electronic control unit
•
Check the unit and, if necessary, replace
•
Faulty thermostat
•
Check the thermostat and, if necessary,
replace
•
Fan noise or vibrations
•
Foreign bodies on fan blades
•
Remove foreign bodies
•
Little air circulation
•
Eliminate and obstacles to proper air flow
9
ENERCO GROUP, INC. |Indirect Fired Portable Heater
Operating Instructions and Owner’s Manual