Step | Action | Value | Yes | No |
---|---|---|---|---|
1 | Check the refrigerant supply. Is the supply empty or low? | -- | ||
2 |
Is the display blank? | -- | System OK | -- |
3 | Check the moisture indicator. Is the indicator faulty? | -- | System OK | |
4 | Open the valves. Are the valves open? | -- | System OK | -- |