2 | Components
Service manual
94
(C)(F)TXA15~50A(W)(S)(T) + (C)(F)TXA15~50B(B)(S)(T) + RXA42+50A +
RXA20~35A + RXA42+50B
Split Stylish R32
ESIE18-03C – 2020.02
Is the propeller fan blade assembly
damaged?
Action
No Perform a mechanical check of the DC
fan motor assembly, see "Checking
procedures"[493].
To perform a mechanical check of the DC fan motor assembly
Prerequisite: First perform a mechanical check of the propeller fan blade
assembly, see "Checking procedures"[493].
1 Manually rotate the fan motor shaft. Check that it rotates smoothly.
2 Check the friction of the DC fan motor shaft bearing.
Is the DC fan motor shaft friction
normal?
Action
Yes Perform an functionality check of the
DC fan motor assembly, see "Checking
procedures"[493].
No Replace the DC fan motor assembly, see
"Repair procedures"[497].
To perform a functionality check of the DC fan motor assembly
1 First perform a mechanical check of the DC fan motor assembly, see "Checking
procedures"[493].
2 Turn ON the power of the unit.
3 Activate Cooling or Heating operation via the user interface.
4 Check the functioning of the outdoor unit fan.
Outdoor unit fan … Action
Rotates continuously (without
interruption)
DC fan motor assembly is OK. Return to
the troubleshooting of the specific error
and continue with the next procedure.
Does not rotate Perform an electrical check of the DC
fan motor assembly (fan motor does
not rotate), see "Checking
procedures"[493].
Rotates for a short time Perform an electrical check of the DC
fan motor assembly (fan motor rotates
for a short time), see "Checking
procedures"[493].
To perform an electrical check of the DC fan motor assembly (fan motor does not rotate)
1 First perform a functionality check of the outdoor unit fan motor assembly,
see "Checking procedures"[493].
INFORMATION
The DC fan motor connector MUST be plugged into the appropriate PCB.
2 Confirm via the service monitoring tool that the DC fan motor assembly
receives an ON signal.