DAIKIN J CODE - P20 - J201 - Check economizer solenoid valve (ESV)

1. Check economizer solenoid valve (ESV) / ESV does not open. /  ESV coil malfunction / Check ESV coil, wiring and terminals.

2. Check economizer solenoid valve (ESV) / ESV does not open. / ESV malfunction / Check capillary tube temperature on ESV outlet.