Maytag Amana SXV9 Series Service And Troubleshooting page 94

Inverter air conditioner condenser units with r-410a refrigerant
Table of Contents

Advertisement

Troubleshooting
Error Code:
32 - Outdoor PCB high
temperature error
Applicable Models:
Outdoor AC 3.5-5.0 ton
Outdoor HP 3.5-5.0 ton
Method of Error Detection:
Detected by thermistor on inverter
cooling plate
Error Decision Conditions:
When the temerature became
excessive high
94
Board reads
32 on the
display
Is the liquid
No
tubing contacting
the cooling plate?
Yes
All four nail of
cooling plate cover
are hooking into the
No
square hole? Are the
screws on the
cooling loop cover
torqued to spec?
1.17+0.15 Ibf-ft?
Yes
Have you
repalced the
No
cooling loop
thermal paste with
new paste?
Yes
Is the R7T
thermistor
No
connected to a
connector on the
PCB correctly?
Yes
Is the charge
No
correct on
the system?
Yes
Is the suction air
Yes
temperature of the
outdoor system greater
than 115F(46C)?
No
Error Code - 32 with heat sink
Fix the cooling loop and ensure
proper contact
Secure the cooling loop cover
and torque properly
Replace the thermal paste
Connect properly
Recover the refrigerant and
weigh in appropriately
Intake air must be under
115F(46C)
Replace the PCB

Advertisement

Table of Contents
loading

Table of Contents