MAINTENANCE INSTRUCTIONS
48
6.7 Troubleshooting
ERROR
CODE
PROBLEM
POSSIBLE CAUSE
REMEDY
E01
NO FLAME
WITH NO IGNITION
a.
NO GAS.
b.
IGNITION ELECTRODE BROKEN OR EARTHED.
c.
GAS VALVE MALFUNCTION
d.
MECHANICAL MINIMUM ADJUSTMENT (ON GAS
VALVE) SET TOO LOW OR SLOW IGNITION
ADJUSTMENT SET TOO LOW.
e.
GAS VALVE INLET PRESSURE TOO HIGH (FOR LPG
BOILERS ONLY );
WITH IGNITION
f.
POWER SUPPLY LIVE AND NEUTRAL WIRES
INVERTED.
g.
IONISATION ELECTRODE MALFUNCTION.
h.
IONISATION ELECTRODE CABLE DISCONNECTED.
a.
CHECK MAINS SUPPLY.
b.
REPLACE PART.
c.
REPLACE PART
d.
REGULATE MECHANICAL
MINIMUM OR SLOW IGNITION.
e.
CHECK THE MAXIMUM PRESSURE
SETTING.
f.
CONNECT THE POWER SUPPLY
WIRES CORRECTLY.
g.
REPLACE PART.
h.
CONNECT THE IONISATION
ELECTRODE WIRE.
E02
SAFETY
THERMOSTAT
TRIPPED (95°C)
i.
THERMOSTAT MALFUNCTION OR OUT OF
CALIBRATION.
j.
THERMOSTAT CABLE DISCONNECTED.
i.
REPLACE PART.
j.
CHECK THE WIRING ;
E03
FLUE SAFETY
THERMOFUSE
k.
THERMOFUSE BROKEN;
l.
THERMOSTAT CABLE DISCONNECTED;
m.
THERMOFUSE LOCK OUT. (HIGH FLUE
TEMPERATURE)
k.
REPLACE PART;
l.
CHECK THE ELECTRICAL
CONNECTION;
m.
RESTART AND CHECK THE
THERMOFUSE
H20
NO WATER IN THE
SYSTEM
n.
INSUFFICIENT WATER PRESSURE IN THE SYSTEM
(STOPS AT 0.3 BAR).
o.
WATER PRESSURE SWITCH CABLE DISCONNECTED.
p.
WATER PRESSURE SWITCH MALFUNCTION.
n.
FILL THE SYSTEM;
o.
CHECK THE WIRING;
p.
REPLACE PART;
E05
HEATING SENSOR
q.
SENSOR MALFUNCTION OR OUT OF CALIBRATION
(RESISTANCE VALUE 10 kOhms AT 25 °C).
r.
SENSOR CABLE DISCONNECTED OR WET.
q.
REPLACE PART;
r.
CHECK THE ELECTRICAL
CONNECTION;
E16
FAN
s.
BURNT FAN
s.
REPLACE PART
E22
PARAMETER
PROGRAMMING
REQUEST
t.
LOSS OF MICROPROCESSOR MEMORY;
t.
REPROGRAM PARAMETERS;
E35
FLAME DETECTION
MALFUNCTION
u.
IONISATION ELECTRODE MALFUNCTION
v.
IONISATION ELECTRODE CABLE MALFUNCTION
w.
PRINTED CIRCUIT BOARD
MALFUNCTION
u.
CLEAN IT OR REPLACE PART
v.
REPLACE PART
w.
REPLACE PART
