Specifications

ADVR.010.00.00.000 РЭ. Sheet 13 of 26
7.2.4 Indication of malfunction code while failures in heater operation
While heater activation and operation there can be malfunctions. In case of
malfunction the control unit automatically deactivate the heater. Every malfunction is
coded and automatically appears on the indicator(see fig 7.7). While this, malfunction
‘s code and the LED showing the operation mode of the heater will blink rarely. The
heater’s malfunction codes are described in table 7.1. Pressing of any knob of the
control panel will switch off indication of the malfunction code and bring the control
panel in initial state.
0202
fig 7.7
Table 7.1-Malfunction codes
Malfunction code Problem description Commentary
Problem solution
01 Heat Exchanger overheating Check the inlet/outlet pipe
of the heater for
unpumped heated air
flow. Check the overheat
sensor on the heat
exchanger, replace if
necessary.
02 Possible overheating on
temperature sensor. The sensor
temperature (control unit) is more
than 55°C
While purging before start
the control unit is not
cooled enough or control
unit is overheated during
operation. Check
inlet/outlet pipe of the
heater for unpumped
heated air flow and repeat
activation to cool the
heater.
04 Built-in temperature sensor on
control unit failure
Replace the control unit