Hayward HC Series User Manual

Disconnect the plug from P5 (on fuse board). Test
22-28VAC between R & C. IF no voltage, replace
field wiring panel (pg. 25). If correct, go to step 1H.
Test P5 (low voltage)
Step 1G
Disconnect the P3 plug from field wiring panel
(FWP). Test 110-125VAC between pins 1&2 and
3&4 on the board. IF good, go to 1F. IF NOT,
replace the field wiring panel (pg. 25).
Test transformer input
Step 1E
Disconnect P4 plug from FWP. Verify 22-28VAC
between pins 1 & 2 (red wires), then 110-125VAC
between pins 4-6 (grey wires). IF correct, go to 1G.
IF incorrect replace transformer (pg.25).
Test transformer output
32
1. Heater Not Powering Up (cont.)
Step 1F

Hayward HC Series Specifications

General

Brand	Hayward
Model	HC Series
Category	Heater
Language	English