51MSPA-1-AS
To replace the board, proceed as follows:
1• Remove your spa pack’s power
box cover and disconnect the
power input wires (located to
the left of the board).
3• Insert the end of a flat screwdriver
into the slots at the top of the
plastic cover.
4• Gently remove the plastic cover
by releasing its upper part first.
2• Disconnect the top side control(s)
and the temperature probe
(connectors located in the upper
right corner of the board).
HOW TOReplace the Board
Before you replace the board, make sure the equipment is powered off!