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8.1 General
8 – Troubleshooting
8.1 General
This section provides a list of common pump/system problems that may be encountered when
using the Islander Prime system, as well as corrective actions for problems related to the
system and its peripherals.
8.2 Islander Prime
The following describes Islander Prime troubleshooting procedures and appropriate corrective
actions.
8.2.1 System Down
The following table describes the Islander Prime troubleshooting procedure and appropriate
corrective actions when the system is down (see
Table 23: System is Down
Fault
• LCD display is blank.
• Doesn't accept
Key/ Card/Keypad
input.
• No communication.
• nOrCU LEDs are not lit.
MDE-5411A ForeHB Islander Prime Installation Manual · October 2018
Probable Cause
Checks
Islander Prime
main switch is off
No 115 VAC
1
Check power at breaker panel.
feed to the unit
2
Check cabling from breaker
panel to the unit.
3
Verify that the power cable is
properly connected to unit
terminal block.
4
Verify 115 V measured at the
power input terminal block.
Power failure
Does the unit shut down immediately
after being turned on?
Circuit breaker is
Is the breaker off or tripped?
off
Is 115 V being switched through
breaker?
Is 115 V measured at the power input
terminal block?
Does the breaker turn off
immediately after being turned on?
Internal fuse
Check the pico fuse using an
blown
ohmmeter.
Power supply
Verify that green LED on power
failure
supply is lit.
OrPAY1000 is
Check communication parameters.
incorrectly set up
nOrCU is
Check bus and parameters setup.
incorrectly set up
Table
23):
Corrective Action
Turn on the main switch.
Correct wiring problems if
115VAC is not measured.
1
Check for shorts in the
power line cable.
2
Check grounding.
Turn the breaker on, if off.
Replace breaker if 115 V is
not being switched.
Correct wiring problems if
115 V is not measured.
Check for loads or shorts
in the power line.
Replace the fuse if it is
blown.
Replace power supply.
Set communication
parameters.
Set communication
parameters.
Troubleshooting
Page 85
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