Electrical System – 5000 Error codes T-code 677, 678, 679
Valid from serial number 723984-
Date 2005-10-28
Order number 222995-040
7PML20-6, 7PML20-8
Code
C31
Description
Pressure switch warning.
Possible error cause
A problem with the pressure switch. Check that the voltage is approximately 24 V between cables 24 and 40 connected to the pressure sensor. Check the voltage between cable 40 and 63 connected to the pressure sensor. The output voltage should be 0.5 Volt (unloaded machine) - 5 Volt (max load).
Code
C41
Description
Warning of low battery voltage
Possible error cause
Battery voltage < 17 volt. The battery parameters are not correctly set. Time to charge up the battery.
Action
1. Check parameter 21, battery size and type. 2. Check the battery contact and the pole connections on the battery 3. Check the key switch, S17, poor contact causes unpermitted voltage drop. The electrical system measures the voltage inside the travel regulator.
14- 26
Service Manual
7PM18, 7PM20, 7PML20
© TIEE SARL
