Raypak 399B-2339B Troubleshooting, Step Step Step Step Step Step Step, Reattach

TROUBLESHOOTING

Step 1

Step 2

Step 3

Step 4

Step 5

Step 6

Step 7

Does the power switch

provide power to the

Check the switch

control panel?

NO

and/or line voltage

Replace ignition module

Is enable/disable

YES

jumper intact (J1)?

Reattach

Check all safety limit

NO

YES

devices and voltage from

Unit is in standby mode.

the transformer to J10 on

Is there a call for heat?

CPW board.

NO

NO

Is there 120VAC at J8

NO

YES

Connector on the CPW board?

Does F2 on

ignition module

NO

have 120VAC?

Do the combustion air

YES

YES

blowers come on?

Is 24VAC at present at TH (J3 & J12 on CPW

YES

NO

board and orange wire on ignition module)?

Check flow switch, all

NO

Is air pressure switch(s) and

connectors on CPW board

and controller.

J2 of CPW board (N.O.)

YES

powered?

Check the fan relay. Is there

YES

120VAC at K3 relay?

Is there continuity from the

YES

NO

NO

Is 24VAC at PS on

fan relay to fan(s)?

ignition module? Is

connecting plug

Does air pressure switch(s)

YES

secure?

Replace fan relay

have correct pressure?

(1.4” W.C.)

Replace fan

YES

Does igniter prove?

Replace air

NO

pressure switch

NO

Correct the air settings or

YES

Check Amp draw during

you may have to clean

Is air switch

YES

heat-up for 3.2 Amps or

bouncing?

burners, heat exchanger

and/or air filter.

greater.

Is the flame

NO

Replace HSI

NO

sensor signal to

YES

the ignition

module greater

Readjust to 3.5” W.C.

than 4 uA DC?

NO

Are the gas valve

NO

gas.

settings correct?

Is the unit running?

YES

YES

NO

Is the unit running?

Is static and dynamic inlet

manifold gas pressure correct?

Replace gas valve

YES

YES

NO

Is downdraft present?

		NO
Call our Technical Service Department
1-800-947-2975 Outside California	The unit is okay		Clean or replace flame sensor
1-800-627-2975 Inside California

46