Carrier High Wall Duct Free Split System 38MVC - CHART 12 - REVERSING VALVE; CHART 13 - RECEIVER BOARD

37
CHART 12 -- REVERSING VALVE
Check RV connection on
outdoor board. Ok?
Clean or repair the
connection
No
Yes
Yes
Check RV output on outdoor
board. Ok?
No
Replace outdoor board
Replace reversing valve.
Yes
Check RV solenoid. Ok? Replace solenoid
No
Check RV connection on
outdoor board. Ok?
Clean or repair the
connection
No
Yes
Yes
Check RV output on outdoor
board. Ok?
No
Replace outdoor board
Replace reversing valve.
Yes
Check RV solenoid. Ok? Replace solenoid
No
CHART 13 -- RECEIVER BOARD
Check wiring and
connection between
receiver and ID board. Ok?
Fix wiring or
connection
No
Yes
Replace remote control
Yes
Check input and output
on ID and receiver
boards. Ok?
No
Replace receiver board
Check wiring and
connection between
receiver and ID board. Ok?
Fix wiring or
connection
No
Yes
Replace remote control
Yes
Check input and output
on ID and receiver
boards. Ok?
No
Replace receiver board
A08173
38/40MVC, MVQ