Replacement Parts - Carrier 40WAV Series Installation And Maintenance Instructions Manual

ERROR DISPLAY
Defrost Light Flashing Fast (Heating/
E0
Cooling Mode Conflict Error)
Timer Light Flashing Fast
E1
(Communication Error)
E2, E3, Operation Light Flashing Fast
E4 (Sensor Error)
E6 Timer Light Flashing Slow
Defrost Light Flashing Slow
E7
(EEPROM Error)
Alarm Light Flashing Slow (Outdoor
Ed
Unit Error)
Alarm Light Flashing Fast (Water
EE
Level Error)
Operation and Timer Light Flashing
FE Fast Together
(Address Error)
Wired Remote Controller Screen
F0
Replacement Parts —
al number when ordering replacement parts or contacting the
factory about the unit. This information can be found on the se-
rial plate attached to the unit. See Fig. 10.
Table 4 — Troubleshooting
POSSIBLE CAUSES
System is in cooling or fan only mode and
heating signal is received from a unit on the
system.
System is in heating mode and cooling sig-
nal is received from a unit on the system.
Signal wires are short-circuited or
disconnected.
Signal wire order is incorrect.
Signal wires crossing over high voltage
power wires.
Signal wire close to electromagnetic source. Distance signal wires from electromagnetic
Signal wire length exceeds 360 ft.
PC board fault.
Loose connection at port on PC board.
Sensor is short-circuited.
PC board fault.
DC motor fault.
PC board fault.
Chip or PC board fault.
Outdoor unit fault.
Loose connection or disconnected at port
on PC board.
Water level float is stuck.
Trap slope is too steep.
Drain pipe is too long.
Drain pump faulty.
Indoor unit without address.
Incorrect signal wiring between indoor unit
and wired remote controller.
Quote the unit type and unit seri-
All units should be in cooling mode for system to
stay in cooling mode.
All units should be in heating mode.
Check or reconnect signal wire.
Correct signal wire order.
Separate and distance the signal wire from high
voltage power wires.
source.
Reduce the signal wire length.
Replace PC board.
Tighten the connection at port on PC board.
Using multi-meter, measure resistance of the sen-
sor. If the resistance is  100 ohms, change the
sensor.
Replace PC board.
Replace DC motor.
Replace PC board.
Replace PC board.
Refer to outdoor unit troubleshooting guide.
Tighten the connection or reconnect at port on PC
board.
Inspect the float.
Adjust the trap slope.
Adjust the length of drain pipe.
Replace the drain pump.
Run automatic addressing option at the outdoor
unit.
Use remote wireless or wired controller to re-
address indoor unit.
Correct signal wiring between indoor unit and
wired remote controller, as per the wiring diagram
provided in the installation manual.
VERTICAL AIR HANDLER
40WAV030---3
2115V80001
208/230 1 60
Fig. 10 — Unit Serial Plate (Example)
10
POSSIBLE SOLUTIONS
Carrier Corporation Carrier Corporation
7310 West Morris Street 7310 West Morris Street
Indianapolis, IN 46231 USA Indianapolis, IN 46231 USA
3.0
1/2 370
a40-1745