USER INSTRUCTIONS
CONDENSING BOILOES WITH STORAGE - TG05A095.A0306
48
6.7 Troubleshooting
ERROR
CODE
PROBLEM
POSSIBLE CAUSE
REMEDY
01
NO FLAME
WITH NO IGNITION
a.
NO GAS.
b.
IGNITION ELECTRODE BROKEN OR EARTHED.
c.
IGNITION CIRCUIT BOARD S4565QM
MALFUNCTION.
d.
GAS VALVE MALFUNCTION.
e.
MECHANICAL MINIMUM ADJUSTMENT (ON GAS
VALVE). TOO LOW OR SLOW IGNITION
ADJUSTMENT TOO LOW.
f.
VALVE INLET PRESSURE TOO HIGH (FOR LPG
BOILERS ONLY).
WITH IGNITION
g.
POWER SUPPLY LIVE AND NEUTRAL WIRES
INVERTED.
h.
SENSOR ELECTRODE MALFUNCTION.
i.
SENSOR ELECTRODE WIRE DISCONNECTED.
j.
IGNITION CIRCUIT BOARD S4565QM
MALFUNCTION.
a.
CHECK MAINS SUPPLY.
b.
REPLACE PART.
c.
REPLACE PART.
d.
REPLACE PART.
e.
REGULATE MINIMUM OR
SLOW IGNITION.
f.
CHECK THE MAXIMUM
PRESSURE SETTING.
g.
CONNECT THE POWER
SUPPLY WIRES CORRECTLY.
h.
REPLACE PART.
i.
CONNECT THE SENSOR
ELECTRODE WIRE.
j.
REPLACE PART.
02
SAFETY
THERMOSTAT
TRIPPED (95°C)
k.
THERMOSTAT MALFUNCTION OR INCORRECT.
l.
THERMOSTAT DISCONNECTED (WIRE
DISCONNECTED.
m.
PUMP FAILURE
k.
REPLACE PART.
l.
CHECK THE WIRING.
m.
CHECK AND REPLACE
PUMP
04
NO WATER IN
THE SYSTEM
n.
INSUFFICIENT WATER PRESSURE IN THE
SYSTEM (STOPS AT 0.5 BAR).
o.
WATER PRESSURE SWITCH DISCONNECTED.
p.
WATER PRESSURE SWITCH MALFUNCTION.
n.
FILL THE SYSTEM.
o.
CHECK THE WIRING.
p.
REPLACE PART.
05
HEATING
SENSOR
q.
SENSOR MALFUNCTION OR INCORRECT
(RESISTANCE VALUE 10 kOhms AT 25 °C).
r.
SENSOR CONNECTOR DISCONNECTED OR
WET.
q.
REPLACE PART.
r.
CHECK THE ELECTRICAL
CONNECTION.
06
D.H.W. SENSOR
s.
SENSOR MALFUNCTION OR INCORRECT
(RESISTANCE VALUE 10 kOhms AT 25 °C).
t.
SENSOR CONNECTOR DISCONNECTED OR
WET.
s.
REPLACE PART.
t.
CHECK THE ELECTRICAL
CONNECTION.
14
WATER
PRESSURE
SWITCH
u.
WATER PRESSURE SWITCH MALFUNCTION.
v.
UNSTABLE ELECTRICAL CONNECTION.
u.
REPLACE PART.
v.
CHECK THE ELECTRICAL
CONNECTION.
22
PARAMETER
PROGRAMMING
REQUEST
w.
LOSS OF MICROPROCESSOR MEMORY.
w.
REPROGRAM PARAMETERS.
Содержание RKA 25
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