Troubleshooting

notiCe!

The alarm indication light (red) signifies the refrigerant compressor is not running. The reasons can be: •Low suction pressure •High discharge pressure •Electrical problems •Loss of refrigerant

•Dirty condenser

•Leaking evaporator, etc. Refer to the Troubleshooting section for problem analysis and remedy. Call the factory if further assistance is required. Troubleshooting

The following conditions can cause abnormal operation or malfunction of the air dryer • High inlet air temperatures • Dirty condenser

• Low ambient temperatures • Malfunctioning automatic drains at aftercooler, or dryer

• Refrigerant overcharge

• Leaky evaporator • Electrical power supply more than ±0% of the rated voltage

• Low inlet air pressures • High ambient temperatures • Compressed air flow greater than rated capacity • Undersized fuses

• Refrigerant undercharge

If any of these symptoms are noticed, refer to Section VIII - Troubleshooting.