FLOWMAX Technologies 120 - Troubleshooting

INSTALLATION INSTRUCTIONS
68
6.10 Troubleshooting
To display the last 5 errors, keep the “ ” INFO button pressed while in the off mode position for 5 seconds.
The errors will appear in chronological order (-1- = first fault… -5-= last fault).
Use the “
” and “ ” of the heating temperature setting to scroll the list of saved errors. To reset the
errors, press the “
” RESET button. Press the “ ” INFO button to exit the errors from the display
mode.
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).
WITH FLAME IGNITION
f. POWER SUPPLY LINE AND NEUTRAL CABLES
REVERSED.
g. IONISATION ELECTRODE MALFUNCTION.
h. 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.
CONNECT THE BOILER
PROPERLY.
g. REPLACE PART.
h. CONNECT THE IONISATION
ELECTRODE CABLE.
Manual Reset
Required
E02
SAFETY
THERMOSTAT
TRIPPED 95°C
I. THERMOSTAT MALFUNCTION OR OUT OF
CALIBRATION
j. THERMOSTAT CABLE DISCONNECTED
i. REPLACE PART
j. CHECK WIRING
Manual Reset
Required
E03
102°C THERMO FUSE
TRIPPED
k. THERMO FUSE OPEN
l. THERMOFUSE CABLE DISCONNECTED
k. REPLACE THERMOFUSE
l. CHECK WIRING HARNESS
Manual Reset
Required
E04
NO WATER IN
SYSTEM
m. INSUFFICIENT WATER PRESSURE IN SYSTEM
n. WATER PRESSURE SWITCH DISCONNECTED
o. WATER PRESSURE SWITCH MALFUCTION
m. FILL THE SYSTEM
n. CHECK WIRING HARNESS
o. REPLACE PART
Automatic
E05
HEATING SENSOR p. SENSOR MALFUCTION OR OUT OF CALIBRATION
(RESISTANCE VALUE 10 kOhm’s AT 25°C)
q. SENSOR CABLE DISCONNECTED OR WET
p. REPLACE PART
q. CHECK POWER SUPPLY
CONNECTION
Automatic
E06
DHW SENSOR r. SENSOR MALFUCTION OR OUT OF CALIBRATION
(RESISTANCE VALUE 10 kOhm’s AT 25°C)
s. SENSOR CABLE DISCONNECTED OR WET
r. REPLACE PART
s. CHECK POWER SUPPLY
CONNECTION
Automatic
E15
RETURN SENSOR t. SENSOR MALFUCTION OR OUT OF CALIBRATION
(RESISTANCE VALUE 10 kOhm’s AT 25°C)
u. SENSOR CABLE DISCONNECTED OR WET
t. REPLACE PART
u. CHECK POWER SUPPLY
CONNECTION
Automatic
E16
FAN v. BURNT FAN
w. POWER SUPPLY CABLE MALFUNCTION
v. REPLACE PART
w. REPLACE PART
Automatic
E18
INADEQUATE
CIRCULATION
x. PRIMARY OR SECONDARY HEAT EXCHANGER
OBSTRUCTED.
y. PUMP MALFUNCTION OR IMPELLER DIRTY
x. CLEAN & OR REPLACE PART
y. CLEAN & OR REPLACE PART
Automatic
E21
GENERAL PCB
MALFUCTION
z. MICROPROCESSOR MALFUNCTION WRONG
SIGNAL DETECTED
z. PCB AUTOMATICALLY RESETS Automatic
E22
PARAMETER
PROGRAMMING
REQUEST
aa. LOSS OF MICROPROCESSOR MEMORY aa. REPROGRAM PARAMETERS
Manual Reset
Required
E35
FLAME DETECTION
MALFUNCTION
bb. IONISATION ELECTRODE MALFUNCTION
cc. IONISATION ELECTRODE CABLE MALFUNCTION
dd. PRINTED CIRCUIT BOARD MALFUNCTION
bb. REPLACE & OR CLEAN PART
cc. REPLACE PART
dd. REPLACE PART
Manual Reset
Required
E40
ELECTRIC POWER
SUPPLY
ee. ELECTRIC POWER SUPPLY OUT OF OPERATING
RANGE
ee. CHECK POWER SUPPLY.
ERROR DISAPPEARS WHEN
PROPER POWER IS RESTORED
Automatic