Lenze ECSCExxx Power supply module - Manual (Page 124)

Troubleshooting and fault elimination
Fault messages
Causes and remedies
11
l
124 EDBCSXE040 EN 7.0
Remedy Cause Description Fault message Remedy Cause Description
Display No.
0070 U15 Undervoltage of external
low−voltage supply Voltage < 17 V Check low−voltage supply
0071 CCr System failure Strong interference on control
cables Control cables must be shielded
Ground or earth loops in wiring PE wiring
0072 PR1 Checksum error in parameter
set 1 Contact Lenze
0079 PR5 Internal fault (EEPROM) Contact Lenze
0095 FAN1 Fan monitoring (only for built−in
units ECSEE) Heatsink fan
l blocked
l dirty
l defective
Eliminate cause
0105 H05 Internal fault (memory) Contact Lenze
0106 H06 Internal fault (power section) During initialisation of the
power supply module a wrong
power stage has been detected Contact Lenze
0260
1260
2260 NodeGuard Trp
NodeGuard Msg
NodeGuard Wrn "Life Guarding Event" The power supply module as
CAN slave does not receive a
node guarding telegram from
the CAN master within the
"Node Life Time". l Check wiring at X4.
l Check CAN configuration
l Make sure that "Node
Guarding" has been activated
in the CAN master.
l Adapt "Node Life Time"
(C0382, C0383) to the setting
in the CAN master.