Gasboy Islander PLUS - Manual (Page 110)

Table 5-1. Islander PLUS Troubleshooting
Fault Probable Cause Checks Corrective Action
System is down
LCD display is
blank
Doesn't accept
Key/Card/Keypad
input
No
communication
OrCU LEDs are
not lit
Islander PLUS main
switch is off Turn main switch on
No 115 VAC feed
to the unit
1. Check power at
Distribution Box
2. Check cabling from
Distribution Box to
the unit
3. Verify that power
cable is properly
connected to unit
terminal block
4. Is 115V measured at
the power input
terminal block?
Correct wiring problems if
115VAC is not measured
Power failure Does the unit shut down
immediately after being
turned on?
1. Check for shorts in the
power line cable
2. Check grounding
Circuit breaker is
off Is breaker off or tripped? Turn breaker on, if off
Is 115V being switched
through breaker? Replace breaker if 115V is
not being switched
Is 115V measured at the
power input terminal
block? Correct wiring problems if
115V is not measured
Does the breaker turn off
immediately after being
turned on? Check for loads or shorts in
the power line
Internal fuse blown Check the two pico fuses
(red wires) at the bottom
of the power supply using
an ohmmeter Replace the fuse if it is
blown
Power supply
failure Verify that green LED on
power supply is lit
1. Replace mini fuse
2. Replace power supply
Islander PLUS Manual 96