Raypak P0131NCO/OD, P0131PCO/OD, P0200-N, P0200-P, P0280-N, P0280-P, P0350-N, P0350-P, P0430-N, P0430-P, P0127NNO, P0127PNO, P0167NNO, P0167PNO, PC0280-N, PC0280-P, PC0430-N, PC0430-P Error PO: No mains power to the unit

Pool and spa gas heater · taken from the manufacturer’s manual, pages cited

Error codePO

No mains power to the unit The manual's first action is: “Ensure that the immediate area around the heater is clear of all combustible materials including chemicals and gases.”

Model
Raypak P0131NCO/OD, P0131PCO/OD, P0200-N, P0200-P, P0280-N, P0280-P, P0350-N, P0350-P, P0430-N, P0430-P, P0127NNO, P0127PNO, P0167NNO, P0167PNO, PC0280-N, PC0280-P, PC0430-N, PC0430-P
Display shows
No mains power to the unit (PO)
Type
Error code
Source
Manual p. 13

What PO means

No mains power to the unit p. 13

What to do

  1. Ensure that the immediate area around the heater is clear of all combustible materials including chemicals and gases. p. 13
  2. Familiarise yourself with the hand operated gas isolation valve located outside your heater. p. 13
  3. Ensure that the heater is free from obvious damage. p. 13
  4. Ensure that the correct power connections have been made and are able to be isolated. p. 13
  5. Reset Button must be pressed prior to initial operation once heater is powered on. (Reset lamp is illuminated) p. 13

Before you service the product, read the safety instructions in the manual p. 17.

If PO is still not resolved

  • contact an qualified gas fitter or Rheem Service p. 3
    “contact an qualified gas fitter or Rheem Service”
  • contact a qualified electrician p. 17
    “ALL EL ECTRICAL WORKS MUST BE COMPLETED BY AN QUALIFIED ELECTRICIAN”
Open the manual at page 13 All P0131NCO/OD, P0131PCO/OD, P0200-N, P0200-P, P0280-N, P0280-P, P0350-N, P0350-P, P0430-N, P0430-P, P0127NNO, P0127PNO, P0167NNO, P0167PNO, PC0280-N, PC0280-P, PC0430-N, PC0430-P error codes Manual details & download

This page summarises what the manufacturer’s manual says about PO; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Raypak. Found a mistake? Report an error.