Daikin RY24PEV1K Service Manual page 101

SiK401004_A
Malfunction display: E3 Actuation of low pressure switch
pressure is really low pressure
refrigerant in the system is
operation mode of indoor
valve and liquid valve are
air return and supply from heat
exchanger of indoor unit and outdoor
unit fun and outdoor unit fan run
is filth blockage to indoor/outdoor
93
Compressor low
pressure switch
Yes
Check if the
with the measurement of a
manometer
Yes
Check if
Yes
insufficient
Yes
Check if
unit is properly set
Yes
Check if gas
completely open
Yes
Check if the
panel of outdoor unit is
firmly closed?
Yes
Check if the
unit is smooth
Yes
Check if indoor
Check if swing
louver of indoor unit is
completely open
Check if there
filter or heat exchange
fin
System pipeline is
blocked
No
Refer to the high
pressure protection
No
Charge refrigerant according to the amount specified
in the nameplate and calculated additional amount
No
Refer to Instruction
Manual of indoor unit
No
Completely open the
valve
No
Close the panel
No
Remove the barrier
No
Measure the fan motor
and signal input
Measure swing motor
and signal input
Refer to Care and
Maintenance
Mainly check the inlet and outlet of main pipe
connecting with each indoor unit and capillary of indoor
and outdoor units. Replace the parts like filter, capillary
and so on.
MAINTENANCE