Troubleshooting - McQuay M5CKY28ER Technical Manual

M5LCY-II_(i)

Troubleshooting

Indicator Light
SLEEP
COOL/HEAT
(RED)
(GREEN/RED)
Green
Red
Red
Green
Green
Green
Red
Green
ON BLINKING
TIMER
(YELLOW)
• Cooling mode
• Heating mode
• Auto mode in heating operation
• Auto mode in cooling operation
• Time Off (when unit is on)
• Time On (when unit is off)
• Sleep mode on
• Fan mode on
• Dry Mode on
• Defrost operation
• Error indication
Operation / Faulty Indication
Troubleshooting
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