Daikin RY24PEV1K Service Manual page 100

 Malfunction display: E1 Actuation of high pressure switch
High pressure switch
pressure is really high pressure with
the measurement of a manometer
operation mode of indoor unit is
valve and liquid valve are
completely open
Check if the panel of
outdoor unit is firmly closed
Check if the air
return and supply from heat exchanger
of indoor unit and outdoor unit
Check if indoor unit
fun and outdoor unit fan run
Check if swing louver
of indoor unit is completely open
Check if there is
filth blockage to indoor/outdoor filter
or heat exchange fun
System pipeline is blocked
MAINTENANCE
Yes
Check if the
Yes
Check if
properly set
Yes
Check if gas
Yes
Yes
is smooth
Yes
Yes
No
Check if pressure
switch is normal
Yes
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 single input
No
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
SiK401004_A
No
Replace the outdoor
unit main board
Replace pressure
switch
units.
92