Control Unit Error Messages - Linde 1131-02 Series Original Instructions Manual

4. Overcurrent protection: the green light
●
flashes once (the cycle is for 1 second) then
stops for 2 seconds, then flashes 5 times,
then stops for 3 seconds and repeats.
5. Battery temperature is too high: the
●
green light flashes twice (the cycle is for 1
second) then stops for 2 seconds, then
flashes 3 times, then stops for 3 seconds
and repeats.
6. Battery temperature is too low: the green
●
light flashes twice (the cycle is for 1 second)
then stops for 2 seconds, then flashes 4
times, then stops for 3 seconds and re-
peats.
7. Contactor-related malfunction: the green
●
light flashes 3 times (the cycle is for 1 sec-
ond) then stops for 2 seconds, then flashes
4 times, then stops for 3 seconds and re-
peats.
8. For other malfunctions, the yellow light
●
will flash; the cycle is for 1 second.

Control unit error messages

Handheld unit diagnostic
 Connect the handheld unit to the control
unit terminal;
 Enter the Diagnostic menu and look for the
error message.
LED malfunction light diagnostic
Under normal vehicle usage, the LED malfunction indicator light (3) will be continuously lit. When
a malfunction occurs, the LED will flash and display an error code. The LED light will turn off
once the malfunction has been eliminated.
The LED light will display a two digit code:
Operating Instructions - 1131 801 1601 EN - 12/2021 - 04
5
Maintenance
Troubleshooting
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