Install Instructions

92
Table 19. Alert Codes and Troubleshooting
GF= Gas Furnace, AH=Air Handler, ID=Indoor unit (GF or AH), HP=Heat Pump, AC=Air Conditioner, OD=Outdoor Unit (AC or HP), PA=Pure Air S, ZA=Zone system and TS=Thermostat
Alert
Code
Inverter
Flash
Code
Priority
Condition
Actual Displayed
Alert Text
Under dealer
control center >
Notications
Component or System Operational State and Troubleshooting Tip How to clear alert code
444
Service
Urgent
HP Reversing
Valve Relay Or
Solenoid Fault
Relay failure. Verify by call for heat pump heating. Check for 24VAC out from O. Replace Outdoor Unit Control Board
446
Service
Soon/Service
Urgent
OD Low Suction
Pressure Fault
Suction pressure < 40 psig in operation.
Error code initially will be a moderate and will escalate to critical and stop system operation. After
5-strikes during a single thermostat demand. Recommend replacement of low pressure switch.
Recommend replacement of low
pressure switch.
500 Service Soon
PA Differential
Pressure Sensor
Fault
• Pressure sensor reports a fault for more than 5 minutes, or does not respond for more than 5
minutes.
• Device will not perform any pressure reading calculations until fault is recovered. Remaining
lter life display will indicate “-“ while fault exists.
Automatically clears 30 seconds after
fault is recovered.
501 Service Soon
PA UV Sensor
Fault
• Ultra-violet (UV) sensor reports a fault for more than 5 minutes or UV sensor does not respond
for more than 5 minutes.
• Device will not perform any UV lamp life remaining calculations until fault has recovered. Life
remaining display shall indicate “-“ while fault exists.
Automatically clears 30 seconds after
fault is recovered.
502 Service Soon PA UV Lamp Off
The light is determined to be off when the last three last light intensities measurements are below
the set threshold.
Light is determined on after 1 set
of ve samples are above the set
threshold.
503 Service Soon
PA Filter Life At
10%
Filter life remaining determined to be <=10%, but greater than 0%. None
504 Service Soon
PA Filter Life
At 0%
Filter life remaining determined to be 0%. None
505 Service Soon
PA Model
Selection
Changed
Model Selection jumper has changed positions.
Jumper repositioned back to original
jumper position or system rebooted.
506 Service Soon
PA Lamp At 0%
life
Ultra violet lamp life is at 0%. None
507 Service Soon
PA Filter
Calibration
Failure
• Filter calibration determined failed due to all test cfm static pressures reading <= 7 Pa.
• Send alert code immediately.
• No lter tests or life calculation occur while this alert code is active.
Clear alert code upon initiation of
another lter calibration.