Hayward HP50A - Troubleshooting Error Code: P07; Verify resistor is secured to main control board

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2. Error Code: P07
Error Code:
P07
Verify resistor
is secured to
main control
board
Is resistor
secured?
Power down
Heat Pump
YES
NO
Replace Main PCB:
HPXMCB50
Secure
resistor, then
retest
YES
NO
Did error
clear?
Problem
solved
Verify resistor is
measuring at 6.8k
ohm (+/-.5)
Is 6.8k ohm
resistor in
range?
YES
NO
Replace resistor:
(field supplied)