Troubleshooting Guide - Dru Verwarming KAMARA 7KW Manuel D'installation

TROUBLESHOOTING GUIDE

11. MALFUNCTIONS
In the following table you will find an overview of malfunctions that might occur, the possible causes and the remedies.
OBSERVED PROBLEM:
A. Appliance does not react/work
B. Temperature limit switch
(clixon 120 ºC) interferes
C. No gas
D. No ignition (spark)
E. Convection fan does not switch on
F. Burner ignite, but goes out in a few
seconds
Table 3 diagnosis of malfunctions
POSSIBLE CAUSE:
1. Clock not set properly
2. Thermostat set incorrectly
3. Summer / winter switch in incorrect
position
4. All-pole switch switched off
5. Main fuse defective
6. Appliance fuse defective (on control
panel)
1. Very contaminated filters
2. Appliance overloaded
3. Convection air circuit blocked
4. Convection fan very dirty
5. Convection fan defective
1. Gas supply interrupted/stopped.
1. Ignition cable damaged
2. Electrode pen corroded
3. Air pressure switch does not function
4. Combustion gas fan very dirty
5. Flue gas discharge / combustion air supply
system blocked
6. Electric connections incorrect
7. Gap electrode / burner to small or to big
7. Automatic burner defective
1. Convection fan switch defective
2. Convection fan defective
1. Reversed plolarity
2. Partial or complete flue blockage
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REMEDY:
1. Set clock properly
2. Set thermostat correctly
3. Set the switch in the correct position
4. Switch on the all-pole switch
5. - First find the cause of the defective fuse
and remedy it
- Then replace the main fuse
6. - First find the cause of the defective fuse
and remedy it
- Then replace the appliance fuse
1. Clean filters
2. Check burner pressure;
If necessary, correct burner pressure
3. Check convection air circuit:
If necessary, unblock it.
4. Clean fan
5. Replace fan
1. Check gas supply
If necessary, repair gas supply
1. Replace the ignition cable
2. Replace the electrode pen
3. Check connections air pressure switch:
- Connect properly
- If necessary, replace the air pressure
switch
4. Replace fan
5. Unblock
6. Check the electric connections:
improve connections where necessary
Note: the automatic burner is phase
sensitive
7. Gap between electrode and burner should
be between 5 and 6 mm
7. Replace automatic burner
1. Set summer / winter switch to summer
position.
If convection fan switches on:
- Check and, if necessary, replace the
wiring
- If necessary, replace switch
2. Set summer / winter switch to summer
position
Convection fan also does not work in
summer position:
- Check and, if necessary, replace the
wiring
- If necessary, replace the fan
1. Check if life and neurtal are in the correct
possition, if necessary change
2. Check flue and terminal, if necessary
remove blockage