Timberline Binar-5B-Compact - Page 8

7
27 Air blower fault.
The motor does not
rotate
(movement is possibly
obstructed)
Check the AB for me-
chanical obstruction of its
rotation.
Test wiring, the air pump,
and the control unit;
replace if necessary.
28 Air blower fault.
The motor rotates un-
controllably (possible
fault in the 5 V power
supply to the
control unit).
15
Shutdown due to
undervoltage
Power supply voltage <
9.5 V
Test voltage at connector
ХS2 on the heater. Test
the battery, the vehicle
voltage regulator, and
power supply wiring.
16
Ventilation time
exceeded
The ame sensor is not
cooled down by purg-
ing sufciently.
Check the air intake and
the gas exhaust pipe.
Check the ame detec-
tor; replace if necessary.
17
Fuel pump fault
(short circuit)
Short circuit in the fuel
pump wiring
Test the fuel pump power
wiring for short circuit,
replace if necessary.
21
Flame blow off
in “WARMUP”
mode
Poor conditions for com-
bustion. Lack of fuel/air,
the heat
exchanger is fouled, the
exhaust pipe is clogged.
Check the air intake, the
gas exhaust pipeline, and
fuel supply, resolve the
faults and replace the
fuel pump and the ame
detector if necessary.
22
Fuel pump fault
(open circuit)
Open circuit in the fuel
pump wiring
Test the fuel pump power
wiring for breaks, replace
if necessary.
29
All ignition
attempts
failed with the
pre-heater in
operation
Ignition has been tried
more than 4 times.
Check the fuel system.
Check the security of the
fuel line clamps, the seal
of the fuel line and the
fuel pump nozzle, and
the fuel pump capacity.
41
External Air Tem-
perature Sensor
Fault
Open circuit in the
wiring
Check the wire harness
for any cut or unplugged
wiring.
42
External Air Tem-
perature Sensor
Fault
Short circuit in the
wiring
Check the wire harness
for any cut or miss pinned
wiring.