CVH8, HVH8, TVH8, VA9, HVA9, TVA9: APPLICATION GUIDELINE & SERVICE MANUAL
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
15
46
Local
BROWNOUT EVENT
6 Minutes
Both
Low line voltages
Check for line voltage approximately greater
than180V. If voltage less than 180V and if
persistent contact power provider
Bad connection on L1
and L2
Check for connection on line and load side to verify
connection is good.
Inverter not reading
proper voltage
Verify no action issue from the above list then
replace inverter.
48
System
Malfunction
LOST INVERTER
COMMUNICATIONS
(Elevated from fault code
33 after 3
occurrences)
NA
Both
Loose/disconnected
harness (Hardness
between AOC (PL20)
and MOC)
Verify good harness connection
Radio or Electrical
noise
System will try to self-mitigate with repeated start
attempts
Possible damage to
inverter
change out the Inverter drive
49
Local
COMPRESSOR OVER
CURRENT FAULT
(Elevates to fault code
95 after 5 occurrences)
6 Minutes
Both
Refer to fault code 95
53
Fault
OUTDOOR AIR TEMP
SENSOR FAULT
NA
Both
Sensor Harness not
connected to AOC
control
Ensure plug is connected to AOC control
Broken or loose
harness wire
Check harness for continuity; see resistance chart
to check resistance at given temperature
Broken or Damaged
Sensor
Check harness for continuity; see resistance chart
to check resistance at given temperature
Hardware damage to
AOC control
Replace AOC control
54
Fault
SUCTION TEMP
SENSOR FAULT
NA
Both
Sensor Harness not
connected to AOC
control
Ensure plug is connected to AOC control
Broken or loose
harness wire
Check harness for continuity; see resistance chart
to check resistance at given temperature
Suction Thermistor
improperly attached or
in wrong location
Ensure Sensor is properly attached to the
accumulator entry-tube
Broken or Damaged
Sensor
Check harness for continuity; see resistance chart
to check resistance at given temperature
Hardware damage to
AOC control
Replace AOC control
55
Fault
COIL TEMP SENSOR
FAULT
NA
Both
Sensor Harness not
connected to AOC
control
Ensure plug is connected to AOC control
Broken or loose
harness wire
Check harness for continuity; see resistance chart
to check resistance at given temperature
Coil Thermistor not
properly attached or in
wrong location
Ensure Sensor is properly clipped to the
distributor entry-tube
Broken or Damaged
Sensor
Check harness for continuity; see resistance chart
to check resistance at given temperature
Hardware damage to
AOC control
Replace AOC control
Table 10 – Fault Code Actions (Continued)
Flash
Code
Type
AMBER LED
DESCRIPTION
Reset Time Mode
Possible Causes
Actions
