57SC-CF & SC-MP Service Manual
Keys Flow Chart
If any of the keys on the keypad do not seem to be working, follow
Troubleshooting Flow Chart below to identify the problem:
Replace
keypad.
Unplug spa keypad
and replace with
spare keypad.
Replace
Spa Pack.
Set Jumper #3
properly.
Are keys
working?
yes no
Is Jumper #3
set properly for 1 or
2 pumps?
yes no
Make sure to use the proper keypad: K-35 keypad with SC-MP spa pack.
K-18, K-19 or K-9 keypad with SC-CF spa pack.
Also refer to Jumper Section (p. 10) to see if outputs are set correctly.
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