Vivax ACP-09CH25GEI, Service Manual

Page: 64 / 70

Compressor too hot, the stop often occur
Compressor too hot,
Ambient temperature is too high
For safe use
or directly under sunlight
Change the mounting position
once, or the stop
just start and stop at
often occur
Check whether the outdoor unit is not mounted
properly such as outlet blockage; bad ventilation
yes
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
no
no
Clean them Check if the filter or the outdoor condenser dirty
Check if the indoor and outdoor fans do not run
or run too slowly and whether the outlet airflow
is normal
Check if the cooling system blockage, the frost
on the capillary don't melt
Replace blockage component
Check if the power supply circuit for
motor on the controller is normal or
replace the motor
The power is abnormal
Add voltahe regulator,etc.
Check if the system operating pressure is normal
1.6-2.4 MPa for heating system)
to confirm whether the refrigerant is leakage or mix
with air (normal: 0.4-0.6MPa for cooling system,
Recharge refrigerant
Check the breadboards of indoor and outdoor units
and the power supply circuit assembly
Change the assembly or main PCB
Change the power module
Change the compressor
Check the U ;V; W output of the outdoor power
module for detail, see "Power Module protection"
Check if the compressor is jammed or the
wire-wound resistance is open or short circuit