Troubleshooting - PENSOTTI PCH 34B-H Instruction Manual

6.10 Troubleshooting

ERROR
CODE PROBLEM
NO FLAME / AIR PRESSURE
E01
SWITCH TRIPPED
SAFETY THERMOSTAT
E02
TRIPPED 203 °F (95 °C)
E03
FLUESAFETY THERMOFUSE
H20
NO WATER IN THE SYSTEM
HEATING SENSOR
E05
D.H.W STORAGE CYLINDER
E12
SENSOR
E16
FAN
PARAMETER PROGRAMMING
E22
REQUEST
FLAME DETECTION
E35
MALFUNCTION
E42
FAN PRINTED CIRCUIT BOARD
INSTALLATION INSTRUCTIONS
POSSIBLE CAUSE
WITH NO IGNITION
a.
NO GAS.
b.
IGNITION ELECTRODE BROKEN OR GROUNDED.
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 );
f.
THE CONDENSATE DISPOSAL SYSTEM IS
BLOCKED.
WITH IGNITION
g.
POWER SUPPLY LIVE AND NEUTRAL WIRES
INVERTED
h.
IONIZATION ELECTRODE MALFUNCTION
i.
IONIZATION ELECTRODE CABLE DISCONNECTED
AIR PRESSURE SWITCH
j.
SWITCH OUT OF ORDER
k.
INLET OR OUTLET FLUE GAS DUCTS
OBSTRUCTED
l.
SWITCH CABLE NOT STABLE
m.
THERMOSTAT MALFUNCTION OR OUT OF
CALIBRATION
n.
THERMOSTAT CABLE DISCONNECTED
o.
THERMOFUSE BROKEN
p.
THERMOFUSE CABLE DICONNECTED
q.
THERMOFUSE LOCK OUT. (HIGH
FLUETEMPERATURE)
r.
INSUFFICIENT WATER PRESSURE IN THE SYSTEM
(STOPS AT 0.3 bar)
s.
WATER PRESSURE SWITCH CABLE
DISCONNECTED
t.
WATER PRESSURE SWITCH MALFUNCTION.
u.
SENSOR MALFUNCTION OR OUT OF CALIBRATION
(RESISTANCE VALUE 10 kOhms AT 77 °F / 25 °C)
v.
SENSOR CABLE DISCONNECTED OR WET
w.
SENSOR MALFUNCTION OR INCORRECT
(RESISTANCE VALUE 10 kOhms AT 77 °F / 25 °C)
x.
SENSOR CABLE DISCONNECTED OR WET
y.
BURNT FAN
z.
LOSS OF MICROPROCESSOR MEMORY
aa.
IONIZATION ELECTRODE MALFUNCTION
bb.
IONIZATION ELECTRODE CABLE MALFUNCTION
cc.
PRINTED CIRCUIT BOARD MALFUNCTION
dd.
FAN PRINTED CIRCUIT BOARD MALFUNCTION
REMEDY
WITH NO IGNITION
a.
CHECK MAINS SUPPLY.
b.
REPLACE PART.
c.
REPLACE PART
d.
REGULATE MECHANICAL MINIMUM OR
SLOW IGNITION.
e.
CHECK THE MAXIMUM PRESSURE
SETTING.
f.
CHECK THE CONDENSATE DISPOSAL
SYSTEM AND EMPTY THE
CONDENSATE TRAP.
WITH IGNITION
g.
CONNECT THE POWER SUPPLY WIRES
CORRECTLY
h.
REPLACE PART
i.
CONNECT THE IONIZATION
ELECTRODE WIRE
AIR PRESSURE SWITCH
j.
REPLACE PART
k.
CHECK FLUE GAS DUCTS
l.
CHECK CABLE
m.
REPLACE PART
n.
CHECK THE WIRING
o.
REPLACE PART
p.
CHECK THE ELECTRICAL CONNECTION
q.
RESTART AND CHECK THE
THERMOFUSE
r.
FILL THE SYSTEM
s.
CHECK THE WIRING
t.
REPLACE PART
u.
REPLACE PART
v.
CHECK THE ELECTRICAL CONNECTION
w.
REPLACE PART
x.
CHECK THE ELECTRICAL CONNECTION
y.
REPLACE PART
z.
REPROGRAM PARAMETERS
aa.
CLEAN IT OR REPLACE PART
bb.
REPLACE PART
cc.
REPLACE PART
dd.
REPLACE PART
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