Electrical System – 5000 Troubleshooting T-code 677, 678, 679
Valid from serial number 723984-
Date 2005-10-28
Order number 222995-040
14.9 Troubleshooting 14.9.1 Error codes and troubleshooting
STATUS MODEL
VOLTAGE
SERIAL
CURRENT
The table below describes the error codes that can be displayed with the status light or read on the hand unit.
STATUS LED
Text on hand unit
Explanation
Possible cause
LED off
-
No voltage or error in the regulator.
Defective fuse, poor contact, not connected, error in the regulator.
LED on
-
Error in the regulator.
Error in the regulator.
1,1
¤¤
CURRENT SHUNT FAULT
Error in the built-in current shunt.
Error in the rotor current sensor in the motor monitor.
1,2
¤ ¤¤
HW FAILSAFE
CAN timeout in power amplifier.
The motor monitor is reporting an unexpected data loss from the tiller arm head.
1,3
¤ ¤¤¤
M- SHORTED
Internal M- short circuited to B-.
Problem with switch transistor in the rotor circuit inside the motor monitor.
3,1
¤¤¤ ¤
CONT COIL/FLD SHORT
Voltage too high for contactor feed or short-circuited field winding.
Attempt to extract more current than the output device can manage. Problem regulating the field current. Internal monitoring error.
3,3
¤¤¤ ¤¤¤
FIELD OPEN
Open field winding.
Shunt field open, defective cable, defective motor monitor.
4,1
¤¤¤¤ ¤
LOW BATTERY VOLTAGE
Low battery voltage.
1. Battery voltage < 17 volt. 2. Battery poles affected by corrosion. 3. Loose battery or regulator connections.
4,2
¤¤¤¤ ¤¤
OVERVOLTAGE
Voltage too high.
1. Battery voltage > 33 volt.
14- 56
Service Manual
7PM18, 7PM20, 7PML20
© TIEE SARL
