Maytag POF1HD140AVFA Operations Instructions download pdf (Page 28)

Table C-4: System and General Troubleshooting continued

Problem Possible Cause Remedy

Airflow blocked or dirty air

filter.

Clean or replace air filter.

Supply air temperature

too hot.

Insufficient airflow.

Check all dampers. Open closed dampers including registers in

unused rooms. Check system temperature rise. If temperature

rise is too high, speed up blower fan.

Excess airflow.

Check system temperature rise. Slow down blower fan if

necessary.

Supply air temperature

too cool.

Excessive duct losses.

Check supply air ductwork. Seal leaky joints and seams.

Insulate ductwork if necessary.

Fan control "fan on" setting too

low.

Increase "fan on” dipswitch settings on EFT if control has this

option.). Register air deflectors may help.

Supply air temperature

too cool during first

moments of furnace

cycle.

Excessive duct losses.

Check supply air ductwork. Seal leaky joints and seams.

Insulate ductwork if necessary.

FINAL CHECK OUT 3. Where the oil shut-off valve from the oil storage

tank is located.

ENSURE THAT ALL SAFETY DEVICES AND

ELECTRICAL COMPONENTS HAVE BEEN

SET FOR NORMAL OPERATION. ENSURE

THAT ALL ELECTRICAL CONNECTIONS

ARE TIGHT AND THAT THE WIRING IS

SECURE.

How to operate the thermostat, and other

related accessories.

5. How to operate the manual reset button on the

primary control, and especially when not to push the

reset button.

6. How and where to visually inspect the venting

system for leaks or other problems.

IMPORTANT:

How to inspect, clean and replace the air filter,

and other homeowner maintenance procedures.

Please ensure that the homeowner is informed and

understands:

8. Who to call for emergency service and routine

annual service.

1. Where the circuit breaker or fuse is located in

the main electrical panel.

9. The terms and conditions of the manufacturer's

warranty and the contractor's warranty.

2. Where the furnace switch is located, and the

switch "on" and "off" positions if not obvious.

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Maytag POF1HD140AVFA Operations Instructions Page 28

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