Indel Webasto Free Line Elegance Isotherm FR115, Installation And Usage Instructions

Page: 54 / 244

User Manual
54
7 Display Diagnostics
The display is equipped with a self-diagnostic system. Errors will be shown on the
display as follows if any malfunctions occur:
- 5 quick flashes in sequence (1.5 sec) to signal that the refrigerator is in error conditions
- # slow flashes (see table below) to signal the type of error
The error signal sequence will repeat until the system is reset.
All 5 LED lights will flash during error reporting.
Error Error Identification Solution
1 Battery protection (voltage is outside the
maximum and minimum voltages)
Check voltage on the control unit.
Check power cable conditions.
Replace with new cables if necessary.
Check battery conditions.
2 Fan short-circuited (the fan absorbs more
than 1A from the electronic control unit)
Replace the fan.
3 Motor starting error [the rotor is blocked or
pressure inside the refrigerant circuit is too
high (> 5 bar)]
Defective electronic control unit
Replace the electronic control unit or
replace the compressor.
4 Minimum motor speed error (if the refrig -
eration system has been overloaded, the
motor cannot maintain a speed of 1850
RPM).
Remove excess gas.
5 Thermal protection of the electronic control
unit
Check compressor/condensing unit ventila -
tion.
6 Defective sensor (the sensor is defective or
disconnected).
Reconnect the sensor and verify operation
or replace the sensor.
7 Communication error with display Check connections, replace the compressor
control unit and/or the display.