IM 812 / Page 23 of 24
14. Blinking diagnostic display on control pad
a. E1
b. E2
c. E3
a. Defective room temperature sensor.
b. Defective indoor coil temperature sensor.
c. Defective outdoor coil temperature sensor
(H.P. only).
a. Replace
b. Replace
c. Replace
Trouble Possible Causes Treatment
Troubleshooting Chart (Continued)
Troubleshooting can present hazards of electricity, rotating parts, sharp edges and weight. Troubleshooting must be done by trained,
experienced technicians only. Improper troubleshooting can result in equipment damage, severe personal injury or death.
WARNING
!
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