Troubleshooting; According To The Fault Code; Display E1 Or E2 - Pioneer WYD-GLFI SERIES Service Manual

II. Troubleshooting

1. According to the fault code

(1) Display E1 or E2:

Symptom
Cause
S/N Inspections
1 Contact
temperature sensor CN6 (RT, IPT)
and slot
2 Measure the resistance on the two
ends of indoor temperature sensor:
(25 / 5KΩ). For other resistance, ℃
please refer to the Temperature –
Resistance Sheet (Appendix 1).
3 If the above testing is normal
Measure the resistance of
indo or temperature sensor
between indoor
1033 Unit and 1240 Unit
indicate the dimensions of indoor unit.
8
Display E1 or E2
Room temperature sensor (IRT) and Indoor
pipe (coil) temperature sensor (IPT) fault
How to Solve
Insert again if loose.
Replace the temperature sensor
if the resistance is incurred to
drift, open or short circuiting.
Replace the indoor control board
Position and marking of temperature sensors
CN6 (RT, IPT) on indoor control board
Remarks
Photo 1
Photo 2