Version 3.07
| Optidrive Eco User Guide |
75
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Fault
Code
No.
OLED Message
Description
Corrective Action
Ph-SEq
45
Incorrect Supply
Phase Sequence
L1-L2-L3 Phase
sequence is incorrect
Applies to Frame Size 8 drives only, indicates that the incoming power supply
phase sequence is incorrect. Any 2 phases may be swapped.
P-o
48
Feedback Pressure
Low
Low Pressure
Detected by Pipe Fill
Function
Check the pump system for leaks for burst pipes.
Check the Pipe fill function has been commissioned correctly (P3-16 & P3-17).
t-Ph
49
Output Phase Loss
Output (Motor)
Phase Loss
One of the motor output phases is not connected to the drive.
S-F
50
Modbus Comms
fault
Built-in Modbus
RTU communication
timeout or
Communication
Option Module Fault
When using Modbus RTU:
Valid Modbus telegram has not been received within the watchdog time limit
set in P5-05.
Check the network master / PLC is still operating.
Check the connection cables.
Increase the value of P5-05 to a suitable level.
When using an optional fieldbus Interface:
Internal communication to the inserted Communication Option Module has
been lost.
Check the module is correctly inserted.
S-F
52
Plug-in
communication
option module
timeout
Fitted communication
Module Fault
A telegram containing a valid Control Word from the network master has not
been received within the watchdog time limit set in P5-05.
Check the network master / PLC is still operating.
Check the connection cables.
Increase the value of P5-05 to a suitable level.
S-F
53
IO Card Comms
fault
IO card comms trip
Internal communication to the inserted I/O Option Module has been lost.
Check the module is correctly inserted.
S-F
54
BACnet Comms fault BACnet comms loss
trip
A valid BACnet telegram has not been received within the watchdog time limit
set in P5-05.
Check the network master / PLC is still operating.
Check the connection cables.
Increase the value of P5-05 to a suitable level.
