Troubleshooting Table - THERMOBILE IMAC 4000 Manual Del Usario

6.1

Troubleshooting table

/i
Fault
The convector 1
heater does not
2
start up.
3
4
5
6
7
8
9
10
11
12
The fan is starting 13
up immediately.
The convector 14
heater is starting
15
up, but no flame is
forming.
16
17
18
19
20
IMAC
Cause
The convector heater is not live. Check the electric connection.
The burner relay is not working:
the indicator is on.
A malfunction has occurred in the
burner automat.
The thermostat has not been set
correctly.
The room thermostat is defective. Replace the thermostat.
There is no cap on the
thermostat connection.
The fuel pump is stuck.
The maximum thermostat is
stopping the convector heater.
The combination thermostat is
defective.
The frequency controller is in
disorder.
The capacitor of the burner motor
is defective.
The room thermostat has been
placed in the hot-air flow.
The fan thermostat has not been
set correctly.
The pump coupling is defective.
The pressure regulator in the fuel
pump is stuck.
The pump pressure is incorrect,
or the filter inside the pump is
clogged.
The main filter is clogged.
The shut-off valve of the fuel filter
is closed.
The fuel tank is empty.
The fuel pump has too much
vacuum.
40.020.949 - rev. 05 - 2011
Solution
Press the reset button in the
operating panel. See fig. 7 (I).
Replace the burner automat.
Correct the settings.
Replace the cap if the room
thermostat is not in use.
Replace the fuel pump.
Check (and correct) the air flow.
Reset the convector heater.
Replace the combination
thermostat.
Reset the frequency controller,
see fig. 7 (G).
Replace the capacitor.
Install the room thermostat away
from the hot-air flow.
Correct the settings.
See malfunction 9.
Replace the pump coupling.
Check the nozzle.
Replace the pump.
Adjust the pump pressure using
a pressure gauge.
Clean or replace the filter.
Reset the thermostat. See fig. 8
(B).
Open up the drain tap to drain
the condensate and fill the tank.
Clean or replace the main filter. User
Check the suction line for
blockage.
Check the vacuum using a
vacuum gauge.
English
Action
User
User
Dealer
Dealer
User
User
Dealer
User
Dealer
User
Dealer
User
Dealer
Dealer
Dealer
Dealer
User
User
User
Dealer
19