PENSOTTI PCI 20-H, Instruction Manual

Page: 70 / 75

INSTALLATION INSTRUCTIONS
66
6.9 Troubleshooting
YOU MUST USE AN ELECTRONIC COMBUSTION ANALYZER WHEN COMMISIONING AND SERVICING BOILER.
ERROR
CODE
PROBLEM POSSIBLE CAUSE REMEDY
E01
NO FLAME / AIR PRESSURE
SWITCH TRIPPED
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
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
E02
SAFETY THERMOSTAT
TRIPPED 203 °F (95 °C)
m.
THERMOSTAT MALFUNCTION OR OUT OF
CALIBRATION
n.
THERMOSTAT CABLE DISCONNECTED
m.
REPLACE PART
n.
CHECK THE WIRING
E03
FLUESAFETY THERMOFUSE
o.
THERMOFUSE BROKEN
p.
THERMOFUSE CABLE DICONNECTED
q.
THERMOFUSE LOCK OUT. (HIGH
FLUETEMPERATURE)
o.
REPLACE PART
p.
CHECK THE ELECTRICAL CONNECTION
q.
RESTART AND CHECK THE
THERMOFUSE
H20
NO WATER IN THE SYSTEM
r.
INSUFFICIENT WATER PRESSURE IN THE SYSTEM
(STOPS AT 0.3 bar)
s.
WATER PRESSURE SWITCH CABLE
DISCONNECTED
t.
WATER PRESSURE SWITCH MALFUNCTION.
r.
FILL THE SYSTEM
s.
CHECK THE WIRING
t.
REPLACE PART
E05
HEATING SENSOR
u.
SENSOR MALFUNCTION OR OUT OF CALIBRATION
(RESISTANCE VALUE 10 kOhms AT 77 °F / 25 °C)
v.
SENSOR CABLE DISCONNECTED OR WET
u.
REPLACE PART
v.
CHECK THE ELECTRICAL CONNECTION
E12
D.H.W STORAGE CYLINDER
SENSOR
w.
SENSOR MALFUNCTION OR INCORRECT
(RESISTANCE VALUE 10 kOhms AT 77 °F / 25 °C)
x.
SENSOR CABLE DISCONNECTED OR WET
w.
REPLACE PART
x.
CHECK THE ELECTRICAL CONNECTION
E16
FAN
y.
BURNT FAN
y.
REPLACE PART
E22
PARAMETER PROGRAMMING
REQUEST
z.
LOSS OF MICROPROCESSOR MEMORY
z.
REPROGRAM PARAMETERS
E35
FLAME DETECTION
MALFUNCTION
aa.
IONIZATION ELECTRODE MALFUNCTION
bb.
IONIZATION ELECTRODE CABLE MALFUNCTION
cc.
PRINTED CIRCUIT BOARD MALFUNCTION
aa.
CLEAN IT OR REPLACE PART
bb.
REPLACE PART
cc.
REPLACE PART
E42
FAN PRINTED CIRCUIT BOARD
dd.
FAN PRINTED CIRCUIT BOARD MALFUNCTION
dd.
REPLACE PART