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TABLE 24 (CONTINUED)
FURNACE FAULT CODES EXPANDED W/DESCRIPTIONS AND SOLUTIONS –
– CONTINUED
(pins 10 & 15 of connector E-18)
pins 10 & 15
E-18
(TABLE CONTINUES ON FOLLOWING PAGES)
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 large potential differnce between ground and neutral to the furnace control.
STATUS:
This is a critical fault. The furnace will not operate in any mode.
16
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
Содержание RGFG
Страница 70: ...70 FIGURE 49 UPFLOW SIDE FILTER LOCATIONS CUT OUT AND DRILL DETAIL ROD FILTER SUPPORT ANGLE ASSEMBLY I332 ...
Страница 72: ...72 FIGURE 50 TROUBLESHOOTING CHART MODULATING INTEGRATED FURNACE CONTROL IFC TROUBLESHOOTING GUIDE ...
Страница 73: ...73 FIGURE 50 CONTINUED TROUBLESHOOTING CHART CONTINUED ...
Страница 90: ...90 TABLE 24 CONTINUED FURNACE FAULT CODES EXPANDED W DESCRIPTIONS AND SOLUTIONS CONTINUED ...
Страница 91: ...91 FIGURE 51 WIRING DIAGRAM STEPPER MODULATING GAS VALVE FUEL CODE HU FURNACE MODEL IS RGFG ...