Service manual

Troubleshooting by Indication on the Remote Controller SiUS28-902_a
93 Troubleshooting
∗1: Coil check method for the moving part of the electronic expansion valve
Disconnect the electronic expansion valve from the P.C.B. and check the continuity between the
connector pins.
(Normal)
: Continuity
×: No continuity
Pin No. 1. White 2. Yellow 3. Orange 4. Blue 5. Red 6. Brown
1. White × 
Approx.
300Ω
× 
Approx.
150Ω
×
2. Yellow × 
Approx.
300Ω
× 
Approx.
150Ω
3. Orange × 
Approx.
150Ω
×
4. Blue × 
Approx.
150Ω
5. Red ×
6. Brown