Troubleshooting - Mi-T-M MH-0400-0M10 Manuel D'utilisation

SYMPTOM
Heater fires, but Main PCB shuts
heater off after a short period of
time. Lamp is flickering, and LED
display shows "E1".
Heater will not operate, or motor
runs for short time. Lamp flickers
and LED display shows "E1".
Fan does not operate when heater
is plugged in and Power Switch is
in the "ON" position. The lamp is
flickering or on and LED Display
shows "E1" or "E2".
Lamp is flickering, and LED dis-
play shows "E3"
Lamp is flickering, and LED dis-
play shows "E4"
Lamp is flickering, and LED dis-
play shows "E5"
Poor Combustion
Heater does not turn on
18

TROUBLESHOOTING

PROBABLE CAUSE
1. Incorrect pump pressure
2. Dirty Fuel Filter
3. Nozzle is Dirty
4. Photocell lens is Dirty
5. Photocell not installed properly
6. Photocell Defective
7. Improper electrical connection
between Main PCB and Photocell.
1. No kerosene in fuel tank
2. Incorrect pump pressure
3. Corroded Spark Plug or incor-
rect plug gap.
4. Dirty Fuel Filter
5. Dirty Nozzle
6. Moisture in Fuel/Fuel Tank
7. Improper electrical connection
between Transformer and Circuit
Board
8. Ignitor Wire not connected to
Spark Plug
9. Defective Ignitor
10. Air in Fuel Line
11. Ambient temperature below
35°F
1. Thermostat is set too low
2. Broken electrical connection
between Main PCB and motor
1. Thermostat Switch has failed
2. Short Circuit
1. Sensor Disconnected
1. Temperature limit safety device
is overheated
1. Flames extending beyond
heater and low heat output
1. No power supply to heater
REMEDY
1. Adjust Pump Pressure
2. Clean/replace Fuel Filter
3. Clean/replace Nozzle
4. Clean/replace Photocell
5. Adjust Photocell position
6. Replace Photocell
7. Check wiring connections (See
Wiring Diagrams)
1. Fill tank with fresh kerosene
2. Adjust Pump Pressure
3. Clean/replace Spark Plug
4. Clean/replace Fuel Filter
5. Clean/replace Nozzle
6. Rinse out fuel tank with clean
fresh kerosene
7. Inspect all electrical connec-
tions. See Wiring Diagrams
8. Re-attach Ignitor wire to Spark
Plug
9. Replace Ignitor
10. Bleed air from line
11. Add fuel additives to keep fuel
from jelling.
1. Rotate thermostat to a higher
setting
2. Inspect all electrical connec-
tions. See Wiring Diagrams
1. Replace Thermostat Switch.
2. Check Wiring Diagrams and
connection
1. Check limit control thermostat
2. Check sensor connection
1. Wait until unit cools down
1. Align the red mark between the
air screw and pump body.
1. Check/replace Fuse
Kerosene Portable Heater Manual