| Symptom | Problem | Solution |
Lack Of Or Insufficient Cooling | Temperature control in OFF position. | Select Air Conditioning position. |
| | Compressor belt off or broken. | Replace belt. |
| | Compressor not functioning (if both the large and small hoses in the left-hand access panel are at the same temperature). | See your John Deere dealer. |
| | High-pressure switch ON - insufficient air flow across condenser. | Clean condenser. Check fan belt condition. Check engine fan speed belt position. Check rotary screen function. If this does not correct problem, see your John Deere dealer. |
| | Low-pressure switch ON - insufficient air flow across evaporator. | Clean filters. Check cab fan operation. If this does not correct problem, see your John Deere dealer. |
| | Low-pressure switch ON - low outside air temperature. | Move temperature control to a warmer setting. |
| | Low-pressure switch ON - insufficient refrigerant level. | See your John Deere dealer. |