Sta-rite SR333LP User Manual download pdf (Page 25)

25

Heater Will Not Fire - B

Start

Increase POOL/SPA tempera-

ture setting on Membrane

Pad above actual water tem-

perature. Heater should fire

on demand for heat. If not,

and no other red LED’s light,

replace Control Board.

Service pump/filter and elimi-

nate other flow obstructions.

Heater should fire on call for

heat. Re-verify that water flow

is above minimum require-

ment.

Minimum Flow Requirements

Model Flow

200 20 GPM (76 LPM)

333 30 GPM (114 LPM)

400 40 GPM (151 LPM)

If water pressure is outside of

adjustment range that will

open switch with pump off

and close switch with pump

on, replace with flow switch

set above minimum flow

requirement.

Minimum Flow Requirements

Model Flow

200 20 GPM (76 LPM)

333 30 GPM (114 LPM)

400 40 GPM (151 LPM)

Is red “SERVICE

HEATER” LED “on”

YES

YES

NO

YES

NO

NO

Is red “SERVICE SYSTEM”

LED on?

Verify that pump is on, filter is

not blocked, and the water

flow is above the minimum

requirement.

Check that water pressure is

within the adjustment range of

the Pressure Switch (0-5 psig)

Verify that switch wiring is OK

and sensing tube is not

blocked, and replace water

Pressure Switch.

Check whether any of the

red diagnostic LED’s on back

of board (AGS, AFS, SFS,

HLS or PS) are “on”

GO TO

“HEATER WILL NOT FIRE - C”

Page 26

Go to “Diagnostic LED’s”,

(Pages 28 and 29)

With pump running, adjust

Water Pressure Switch to

lower pressure until ‘SER-

VICE SYSTEM” LED goes

out. Then verify that “SER-

VICE SYSTEM” LED goes on

with pump off.

YES

YES

YES

NO

NO

NO

CONTINUE

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