Hayward Heater Control Panel Problem

LGL44

Silver Supporter
Aug 2, 2018
97
Santa Monica
Hi. Trying to run my pool heater, Hayward H350fdn. The control panel is on (see attached pic) but when I press menu button on upper right to move from idle position to pool/spa setting it will not respond. The pic is of unit when pump is off but result is same when pump is running on high RPM. tried unplugging circuit board, power, etc and nothing happens. Wondering if it’s control unit, pcb for control unit, or pcb for entire heater?
Any help, greatly appreciated. Here are some pics
 

Attachments

ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
22,011
Northern NJ
Pool Size
35000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
Is the heater display showing the LO error when the pump is running?

Post a pic of the heater control panel with the pump ON.
 

ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
22,011
Northern NJ
Pool Size
35000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
My guess is a bad Keypad - p/n FDXLBKP1932

When was the last time the keypad worked?
 

ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
22,011
Northern NJ
Pool Size
35000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
Do u know of place to purchase this part that will allow me to return in case that’s not the issue?
You have to check with vendors on their return policy.