O
OB
BSSEER
RV
VEED
D FFA
AU
ULLT
TSS,, C
CA
AU
USSEESS A
AN
ND
D R
REEM
MEED
DIIEESS
FAULTS
CAUSES
REMEDIES
• Check power specifications
• Check power connections
• Check fuse integrity
• Main switch in wrong position
• Select correct position
• Check thermostat position
• Check thermostat operation
• Safety device (control unit, safety thermostat, etc.)
•
not reset after a repair
• Press button (9) 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
• Make sure the gas supply hose has been bled
• Check gas supply pressure
• 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
• 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 pressure-switch PA
• Check the pressure-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
• Foreign bodies on fan blades
• Remove foreign bodies
• Little air circulation
• Eliminate and obstacles to proper air flow
• Fan noise or vibrations
• Gas pressure switch trips due to interruption of
•
gas flow (gas pressure switch electric contact
•
does not close during operation)
• The safety thermostat trips due to overheating of
•
the combustion chamber (the thermostat electrical
•
contact does not close during operation)
• The generator fails to start
• No power supply
• Faulty operation of room thermostat
• Pressure switch PA intervention for fan malfuction
• The generator stops and the indicator light (9)
•
comes on
6