FLOWMAX 170 - Troubleshooting

INSTALLATION INSTRUCTIONS
67
6.10 Troubleshooting
ERROR
CODE
PROBLEM
POSSIBLE CAUSE
REMEDY
E01
NO FLAME
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
PROPANE WATER HEATERS ONLY );
WITH IGNITION
f. POWER SUPPLY LIVE AND NEUTRAL WIRES
INVERTED.
g. IONIZATION ELECTRODE MALFUNCTION.
h. IONIZATION 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 IONIZATION
ELECTRODE WIRE.
E02
SAFETY
THERMOSTAT
TRIPPED (203°F) /
AIR PRESSURE
SWITCH TRIPPED
SAFETY THERMOSTAT
i. THERMOSTAT MALFUNCTION OR OUT OF
CALIBRATION.
j. THERMOSTAT CABLE DISCONNECTED.
AIR PRESSURE SWITCH
k. SWITCH OUT OF ORDER
l. INLET OR OUTLET FLUE GAS DUCTS
OBSTRUCTED
m. SWITCH CABLE NOT STABLE
SAFETY THERMOSTAT
i. REPLACE PART.
j. CHECK THE WIRING ;
AIR PRESSURE SWITCH
k. REPLACE PART
l. CHECK FLUE GAS DUCTS
m. CHECK CABLE
E03
FLUE SAFETY
THERMOFUSE
n.
THERMOFUSE BROKEN;
o. THERMOFUSE CABLE DICONNECTED;
p. THERMOFUSE LOCK OUT. (HIGH FLUE
TEMPERATURE)
n.
REPLACE PART;
o. CHECK THE ELECTRICAL
CONNECTION;
p. RESTART AND CHECK THE
THERMOFUSE
H20
NO WATER IN
THE SYSTEM
q.
INSUFFICIENT WATER PRESSURE IN THE SYSTEM
(STOPS AT 4.5 PSI (0.3 BAR)).
r. WATER PRESSURE SWITCH CABLE DISCONNECTED.
s. WATER PRESSURE SWITCH MALFUNCTION.
q.
FILL THE SYSTEM;
r. CHECK THE WIRING;
s. REPLACE PART;
E05
HEATING
SENSOR
t.
SENSOR MALFUNCTION OR OUT OF CALIBRATION
(RESISTANCE VALUE 10 kOhms AT 77 °F).
u. SENSOR CABLE DISCONNECTED OR WET.
t.
REPLACE PART;
u. CHECK THE ELECTRICAL
CONNECTION;
E06
D.H.W SENSOR
v.
SENSOR MALFUNCTION OR INCORRECT
(RESISTANCE VALUE 10 kOhms AT 77 °F).
w. SENSOR CABLE DISCONNECTED OR WET.
v.
REPLACE PART;
w. CHECK THE ELECTRICAL
CONNECTION ;
E16
FAN
x.
BURNT FAN
x.
REPLACE PART
E22
PARAMETER
PROGRAMMING
REQUEST
y.
LOSS OF MICROPROCESSOR MEMORY;
y.
REPROGRAM PARAMETERS;
E35
FLAME
DETECTION
MALFUNCTION
z.
IONIZATION ELECTRODE MALFUNCTION
aa. IONIZATION ELECTRODE CABLE MALFUNCTION
bb. PRINTED CIRCUIT BOARD MALFUNCTION
z.
CLEAN IT OR REPLACE PART
aa. REPLACE PART
bb. REPLACE PART
E42
FAN PRINTED
CIRCUIT BOARD
cc.
FAN PRINTED CIRCUIT BOARD MALFUNCTION
cc.
REPLACE PART