Carrier 42/38KCJ024713, Техническое и сервисное руководство

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Exploded view & spare-part
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P9 Protection of defrosting or anti-cold wind
E1 Open-circuit and short-circuit of temperature sensors T1
E2 Temp. sensor T2 on indoor evaporator is open circuit or short circuit
E3 The condenser temperature sensor T3 is open or short
E6 Protection of outdoor unit
8.2.1 LEDs for the indication of outdoor trouble
In normal operation, LEDs emit no light and they will flash at a frequency of 5 Hz when
trouble occurs. Their codes are listed in the following table:
LED1 LED2 LED3 Contents
Off Off On Ok
On Off On Phase sequence error
Off On On Overload of current
On On On Lack of phase
8.3 Troubles and Solutions
Before calling for service, please review the following list of common problems and
solutions.
If any of the following conditions occur, check your unit and resolve corresponding
problems referring to given remediation. If the trouble can't be settled contact our
dealer.
Trouble
Cause Solutions
Unit does not
start Power failure. Wait for the comeback of
power
Power switch is open. Switch on the power
Fuse of power switch may have
blown. Replace the fuse
Batteries remote controller are
exhausted. Replace the batteries
The time is not start-up time you
have set. Wait or cancel the time set.
Air flowing
normally with
low
cooling(heating)
effect Temperature is not set correctly. Set the temperature
properly.
Door or window is open. Close door and window.
Air filter is blocked with dust or
dirtiness. Clean the air filter.
Inlet/outlet of indoor/outdoor units
are blocked. Clear all blockages.
Inlet/outlet of indoor/outdoor units
are blocked. Clear the blockage, then
restart your operation.