Observed Faults, Causes And Remedies - Trotec IDS 900 Manuel D'utilisation

07. Observed faults, causes and remedies

Observed faults
• The heater won't start
• Thermostat L1 cuts in (the lamp (9) light
up and then it cuts down)
• Thermostat L2 cuts in (Warming lamp
(9) lights up)
• Thermal relay RM cuts in (Warning light
(10) lights up)
• The burner starts up, the flame doesn't
light up and the restart light on the
control device comes on
• The fan doesn't start up or starts up
late
• The fan vibrates or makes unusual
noise
• Not enough heat
EN
Cause
• Faulty electrical supply
• Wrong positioning of main switch
• Wrong setting of room thermostat
• S afety device (burner, thermostat
L2, fan thermal relay) not restar-
ted after repairs
• The combustion chamber has
overheated
• Excessive combustion chamber
over heating
• Fan motor current absorption is
excessive
• Burner not working correctly
• No electrical power
• F thermostat out of order
• Winding of motor burnt or inter
rupted
• Condenser burnt (mod. "M")
• Motor bearings blocked
• Extraneous material on fan blades
• Not enough air circulation
• Wrong burner
Operating manual – IDS 900
Remedy
• Check function and positioning of main switch
• Check power cord
• Check electrical connections
• Check fuses
• Put main switch in correct position
• Check setting of room thermostat
• Check function of room thermo-stat
• Press the appropriate restart button:
• burner (button on control device)
• thermostat (button (6))
• fan thermal relay (button (11))
• C heck fuel flow
• Check position registers, draw - holes, etc.
• Remove extraneous material from air ducts and venti-
lation grills
• Check as indicated above
• If fault persists contact our Service Center
• Heater with helicoidal ventilator: remove eventual
debris preventing free flow of air on intake and out
let. Check length of air ducts, reduce if excessive.
• Heater with centrifugal ventilator: check setting of
transmission belt as indicated in chapter
("CONNECTION TO HOT AIR DUCTS").
• Always check that current absorption remains
below value indicated on motor manufacturer plate
• Press the restart button to turn on the heater. If the
same problem arises again call an Authorized Ser-
vice Technician
• Check fuses
• Check electrical connections
• C heck the thermostat, set it and replace it if necessary
• Replace the fan motor
• Replace the condenser
• Replace the bearings
• Remove extraneous material
• Remove obstacles to air circulation
• Call an Authorized Service Technician
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