To Next Page

To Previous Page

TABLE 24 (CONTINUED)

FURNACE FAULT CODES EXPANDED W/DESCRIPTIONS AND SOLUTIONS

–

CONTINUED

DESCRIPTION: This code is displayed anytime there is an igniter failure. It may also be displayed if the furnace control

relay for the igniter is not closing or cannot be sensed -inidicating a faulty control board. The fault may also be displayed

if there is improper grounding of the control board.

EXPECTED OPERATION

: Heating operation will not be permitted.

MESSAGE IN FAULT AREA OF COMM. THERMOSTAT

: "IGN FAIL"

CODE AT DUAL 7-SEGMENT DISPLAY OF IFC & FAULT AREA OF COMM. THERMOSTAT

: 16

CAUSE

: The control cannot sense the igniter. The igniter may be out of spec, the control may be faulty or there may be

a lar

e potential differnce between

round and neutral to the furnace control.

STATUS

: This is a critical fault. The furnace will not operate in any mode.

MESSAGES TO HOMEOWNER AT COMM. THERMOSTAT: "CALL FOR SERVICE " & "CHECK FURNACE".

SOLUTION

: Check the igniter and the connections between the igniter and the control board. If these are OK, check

ground potential between neutral and ground. There should be no more than 5 volts difference. If this is OK, check the

furnace control. Replace if necessary.

IGNiter FAIL

(TABLE CONTINUES ON FOLLOWING PAGES)

Rheem RGFG User Manual

Questions and Answers: