Ampcontrol Pty Ltd – ABN 28 000 915 542
HPB USER MANUAL
HPBB012 Version 9 – March/2020
Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version
APPROVED FOR EXTERNAL DISTRIBUTION
– PROPERTY OF AMPCONTROL PTY LTD
– NOT TO BE
REPRODUCED IN PART
HPB Status page displays: [HTU
Stop]
Relay is waiting for the HTU-
1 Module’s Stop input to be
closed
Ensure HTU-1 Module’s stop input
is closed (through a diode to earth).
Outlet is off and the log records
“MC Opened”.
Outlet was turned off but not
by the relay.
Check main contactor coil or control
circuit.
Relay will not remain closed and
cycles while the start input is held
closed.
The relay’s MCI input is not
closing (level 6 position 2).
Check that main contactor is
closing. If not check circuit.
Check auxiliary contacts and wiring.
Relay not receiving voltage
feedback on all three outlet
phases within 800ms of
contactor closing.
Check system voltage display (level
4, position 1) as contactor closes.
Compare this with the under voltage
threshold.
Check continuity from the relay,
through the CCMB – 6.6kV to power
conductors.
WARNING!
Be sure to follow the appropriate
high voltage isolation procedures.
HPB 6.6kV Typical reading: CCMB -
6.6kV 27 Meg Ohm.
Relay Trips on MCF on power up.
Main contactor fail condition
Check main contactor for leakage
across terminals on frozen contactor
condition.
AA cell installed under the top cover
requires replacement.
It is recommended that the relay be
returned to Ampcontrol for battery
replacement and full testing.
Time and date incorrect.
Resets to 1/01/9? On power-up.
AA cell installed under the top cover
requires replacement.
It is recommended that the relay be
returned to Ampcontrol for battery
replacement and full testing.
HDM Displays “Hardware fault”.
CCMB has not been
detected.
Check all wiring to the CCMB and
earthing.
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