Sakura SRT-30RA Installation Manual - page 16
Page 15 of 15
Symptoms
Probably Causes
Remedy
Piping vibration
Support piping as required. Check
for loose pipe connections.
System noise
Compressor noisy
Check valve plates for valve noise.
Replace compressor (worn bearing).
Check for loose compressor hold-
down bolts.
Frosted or swearing
suction line
Capillary tube clogged.
Check capillary tube.
Hot liquid line
Shortage of refrigerant due to leak
Repair leak and recharge.
Frosted liquid line
Restricted filter dryer
Remove restriction or replace filter
dryer.
Burned out coil
Replace coil.
Leaky bypass piston
Replace.
Compressor will not
unload
Weak bypass piston spring
Replace.
Filter is filled with dust and dirt.
Clean the filter.
Airflow is low.
There are some obstacles at the air
inlet or outlet of the units.
Remove obstacles.
Dirty air filter.
Clean the air filter.
Temperature setting too low (for
cooling).
Reset the temperature.
Compressor operates
continuously.
Temperature setting too high (for
heating).
Temperature setting too high (for
cooling)
Set the temperature lower.
No cool air come out
during cooling cycle, or
no hot air come out
during heating cycle.
Temperature setting too low (for
heating).
Set the temperature higher.
If the fault persists, please call your authorized local dealer/serviceman.