Ampcontrol Pty Ltd
– ABN 28 000 915 542
IPD USER MANUAL
IPDB014 Version 14
– SEP/2020
Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version
Page 72 of 96
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TROUBLESHOOTING
If a problem is experienced with the relay, use the following table to aid in fault finding. Should the fault
persist, remove the relay and return the relay, plus a description of the fault, to Ampcontrol for repairs.
NOTE
Checking the Status page (level 0, position 0) should be the first step in
troubleshooting. This displays what the relay requires to make it
operate. Also check the first six event logs.
Symptom
Cause
Remedy
Remote Display shows a blank
screen. The RDM Healthy LED
indicator located on the top of the
RDM module is off.
Loss of power to the
Display
Check there is power to the relay and it
is correctly plugged in. The Relay
supplies 15v dc to RDM. Check cable
between RDM and the relay.
Faulty Display Module.
Replace module.
Remote Display shows a blank
screen. The RDM Healthy LED
flashes at 1 Hz.
Power to RDM is healthy
but there is no data
Check data cable between the relay
and the RDM.
Status Message:
IPD Memory Error
When in diode pilot mode
Corruption in the Group 1
or 2 Settings, stored in the
IPD Relay
Examine the Group 1 and 2 Settings
(level 8 and 9) to check the stored
parameters in the non-volatile memory.
Machine type and number are
irrelevant and should be ignored. One
or several settings will show ‘???’. Re-
program lost settings into the memory.
Status Message:
IPD Memory Error
When in RTU pilot mode
Corruption in the Group 1
Settings in the IPD Relay
Examine the Group 1 Settings (level 8)
to check the stored parameters in the
non-volatile memory. One or several
other settings will show ‘???’. Re-
program lost settings into the memory.
Status Message:
RTU Memory Error
Either the RTU is not on
line or t
he RTU’s non -
volatile memory has been
corrupted
Check that the RTU is on line (level 3,
position 1) i.e. a healthy pilot loop. If
the RTU is on line examine the Group
2 Settings stored in the RTU (level 9).
One or several other settings will show
‘???’. Re-program lost settings into the
RTU memory.
Relay will not close. EC fault
indicated.
Faulty pilot circuit (open or
high resistance or shorted
to earth)
Check pilot circuit e.g., operate relay
with a dummy plug if in diode mode. If
still faulty replace the relay.
Check pilot fuse
Status Message:
Need RTU Start or
Stopped - RTU or
Stopped - RTU PTC
Relay is waiting for the
RTU digital inputs to be
closed
Ensure all three RTU digital inputs are
closed.
