Johnson Controls HVWHP072B32S - Page 89

SM-18006
3-69
TROUBLESHOOTING
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 TheRUNindicator(red)ashes.
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The indoor unit number and the alarm code are displayed on the LCD. The alarm code is displayed on
the 7-segment display of the water source unit PCB.
Thisalarmcodeisdisplayedwhenashort(0.24kΩorless)oropensensor(840kΩormore)isdetected
during a heating or cooling operation.
Alarm
Code
Abnormality of Thermistor for Controller
(for DOAS Unit)