PENSOTTI PCH 50B-H, Instruction Manual

Page: 73 / 80

MAINTENANCE INSTRUCTIONS
71
To display the last 5 errors, keep pressed the ‘ ’ INFO button, in OFF mode position, for 5
seconds
.
The errors number will appear in chronological order (-1-
= first fault… -5- = last fault).
U
se ‘ ’ and ‘ ’ buttons of
Heating Temperature setting, to scroll the list of saved errors.
To reset the errors list press the
‘ ’
RESET button.
Press the ‘ ’ INFO button to exit the errors
display mode.
ERROR
CODE
PROBLEM POSSIBLE CAUSE REMEDY RESET
E18
INADEQUATE CIRCULATION
y.
PRIMARY OR
SECONDARY HEAT
EXCHANGER
OBSTRUCTED.
z.
PUMP MALFUNCTION OR
PUMP IMPELLER DIRTY.
y.
CLEAN OR REPLACE
PART.
z.
CLEAN OR REPLACE
PART.
Automatic
E21
GENERAL PCB
MALFUNCTION
aa.
MICROPROCESSOR
MALFUNCTION: IT
DETECTS A WRONG
SIGNAL .
aa.
THE PCB RESETS
AUTOMATICALLY THE
ERROR.
Automatic
E22
PARAMETER
PROGRAMMING REQUEST
bb.
LOSS OF
MICROPROCESSOR
MEMORY.
bb.
REPROGRAM
PARAMETERS.
Manual Reset
(Switch off the
power supply)
E35
FLAME DETECTION
MALFUNCTION
cc.
IONISATION ELECTRODE
MALFUNCTION
dd.
IONISATION ELECTRODE
CABLE MALFUNCTION
ee.
PRINTED CIRCUIT
BOARD MALFUNCTION
cc.
REPLACE OR CLEAN PART
dd.
REPLACE PART
ee.
REPLACE PART
Manual Reset
(press the ‘ ’
Reset button)
E40
ELECTRIC POWER SUPPLY
ff.
ELECTRIC POWER
SUPPLY OUT OF THE
OPERATION RANGE (≤96
/≥131 volts)
ff.
CHECK THE POWER
SUPPLY NETWORK (THE
ERROR DISAPPEARS
AUTOMATICALLY WHEN
THE POWER SUPPLY IS
BACK WITHIN THE
REQUIRED RANGE)
Automatic