6 MSPA-MP Metapacks Service Manual
GFCI Trips!
4• If GFCI still trips, replace transformer.
If it stops tripping, reconnect one
component at a time until GFCI
starts to trip. Replace defective
component.
1• Verify if GFCI is properly
connected.
3• If GFCI is properly connected, but
still tripping, unplug all outputs including
heater and light cord wires.
If all connections are made, but nothing seems to be working, you
probably have a power supply problem. Carry out the following tests to
identify and correct the problem:
Note that for new installations, GFCI trippings due to miswiring are common.
If breaker is wired properly, GFCI trippings may occur when total amount of current
drawn by spa exceeds breaker rating. This is highly unlikely as each spa pack output
is individually fused, and fuses will blow before GFCI trips.
A current leak to ground will also cause GFCI to trip. If any of the components is faulty
and a leak of more than 5mA occurs, GFCI will trip to prevent electrocution.
There are different GFCI models on the market. Note that illustrations are examples only.
From electrical box To spa
2• If it is not, verify GFCI wiring
diagram and reconnect it.
From electrical box To spa
Important
connections:
Neutral of GFCI
must be connected
to neutral bus.
Neutral from spa
must be connected
to breaker.
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