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ESIE16-03B
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Part 2. Troubleshooting
2.2. Error based troubleshooting
22/08/16
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Version 1.1
Page 43
SA R32 Sky-Air RZAG-L
2.2.3.6. “UF-00” – Wiring and piping mismatch
2.2.4. Others
Not applicable.
Trigger
Effect
Reset
When the interunit wiring between indoor
and outdoor unit is incorrect.
Piping abnormality.
Unit will stop operating.
Automatic reset.
Possible cause
Check
Corrective action
Faulty wiring between indoor and outdoor
unit.
Check wiring between indoor and outdoor
unit (see
"Wiring diagram" on page 114
).
Correct wiring.
Refrigerant shortage (incorrect
charge/leakage).
Check for refrigerant shortage.
Perform a leak test.
If required, repair the leak and charge the
correct amount of refrigerant.
Refrigerant circuit is clogged.
Check for possible blockage (Blockages
can be checked by measuring the refriger-
ant/pipe temperature. Sudden drop in
temperature could indicate a blockage.
(Remark: This is not valid for the expan-
sion valve.)).