PENSOTTI PCH 50B-H, Instruction Manual

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MAINTENANCE INSTRUCTIONS
70
6.9 Troubleshooting
ERROR
CODE
PROBLEM POSSIBLE CAUSE REMEDY RESET
E01
IONISATION
PROBLEM
WITHOUT FLAME IGNITION
a.
NO GAS.
b.
IGNITION ELECTRODE
BROKEN OR EARTHED.
c.
GAS VALVE MALFUNCTION.
d.
IGNITION SEQUENCE SET TOO
LOW.
e.
GAS VALVE INLET PRESSURE
TOO HIGH (FOR LPG BOILERS
ONLY).
f.
THE CONDENSATE DISPOSAL
SYSTEM IS BLOCKED.
WITH FLAME IGNITION
g.
POWER SUPPLY LINE AND
NEUTRAL CABLES REVERSED.
h.
IONISATION ELECTRODE
MALFUNCTION.
i.
IONISATION ELECTRODE
CABLE DISCONNECTED.
a.
CHECK MAIN GAS
SUPPLY.
b.
REPLACE PART.
c.
REPLACE PART.
d.
SET THE IGNITION
SEQUENCE.
e.
CHECK THE MAXIMUM
GAS PRESSURE
SETTING.
f.
CHECK THE
CONDENSATE DISPOSAL
SYSTEM AND EMPTY THE
CONDENSATE TRAP.
g.
CONNECT THE BOILER
PROPERLY.
h.
REPLACE PART.
i.
CONNECT THE
IONISATION ELECTRODE
CABLE.
Manual Reset (press
the ‘ ’ Reset button)
E02
SAFETY
THERMOSTAT
(PP86006LA)
TRIPPED (203°F)
j.
HEATING SENSOR (PP73516LA)
MALFUNCTION OR OUT OF
CALIBRATION.
k.
SAFETY THERMOSTAT
(PP86006LA) DEFECTIVE
l.
IMPEDED OR NO WATER FLOW
m.
THERMOSTAT CABLE
DISCONNECTED.
j.
REPLACE HEATING
SENSOR (PP73516LA)
k.
REPLACE SAFETY
THERMOSTAT
(PP86006LA)
l.
CHECK INTERNAL
CIRCULATOR, VALVES &
STRAINERS
m.
CHECK THE WIRING.
Manual Reset
(press the ‘ ’ Reset
button)
E03
216°F THERMO
FUSE TRIPPED
n.
THERMO FUSE BLOWN.
o.
THERMO FUSE CABLE OR
POWER SUPPLY
DISCONNECTED.
n.
CLEAN HEAT
EXCHANGER, VERIFY
FLUE GAS TEMP REMAIN
BELOW 172°F, VERIFY
WATER FLOW, REPLACE
PART.
o.
CHECK THE WIRING AND
THE POWER SUPPLY
CONNECTION.
Manual Reset
(press the ‘ ’ Reset
button)
E04
NO WATER IN THE
SYSTEM
p.
INSUFFICIENT WATER
PRESSURE IN THE SYSTEM
(STOPS AT 0.3 BAR).
q.
WATER PRESSURE SWITCH
CABLE DISCONNECTED.
r.
WATER PRESSURE SWITCH
MALFUNCTION.
p.
FILL THE SYSTEM. INITIAL
WATER PRESSURE MUST
BE GREATER THAN 17
PSI
q.
CHECK THE WIRING.
r.
REPLACE PART.
Automatic
E05
HEATING SENSOR
(PP73516LA)
s.
SENSOR MALFUNCTION OR OUT
OF CALIBRATION (RESISTANCE
VALUE 10 kOhms AT 25 °C).
t.
SENSOR CABLE DISCONNECTED
OR WET.
s.
REPLACE PART.
t.
CHECK THE POWER
SUPPLY CONNECTION.
Automatic
E06
D.H.W SENSOR /
CYLINDER
u.
SENSOR MALFUNCTION OR
OUT OF CALIBRATION
(RESISTANCE VALUE 10 kOhms
AT 25 °C).
v.
SENSOR CABLE
DISCONNECTED OR WET.
u.
REPLACE PART.
v.
CHECK THE POWER
SUPPLY CONNECTION.
Automatic
E15
RETURN SENSOR
(not installed on this
boiler)
Not applicable to this model
VERIFY P22 IS SET TO A
VALUE OF “32”.
Automatic
E16
FAN
w.
BURNT
x.
POWER SUPPLY CABLE
MALFUNCTION
w.
REPLACE PART.
x.
REPLACE PART.
Automatic