Test Run - mundoclima MVD AC2 CL23500 Manual De Instalación Y Usuario

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Auto restart function enabled
Auto restart function disabled
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CN2 port:Pump signal output
CN2 port:Alarm singal output
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ON
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Caution
‡ All DIP switches have been configured before delivery. Only
a professional maintenance personnel should change these
settings.
‡ Improper DIP switch settings may cause condensation, noise, or
unexpected system malfunction.
7.3 Error Codes and Definitions
7.3.1 Error codes diagnosis
When the following three phenomenons appear on the display panel, the
unit has an error. According to the LED flash situation and the times of
LED flash to determine the error code.(the error code can be displayed on
the panel when digital tube is selected)
Flash
Phenomenon
Times
Flash
Normal on
Error
code
Flash
Normal on
Error
code
Flash
Normal on
Error
code
1 2 3 4 5 6
E0 E1 E2 E3 E4 E6 E7
Eb Ed EE A0 A1 FE FA H4
U4 F8 F7
7.3.2 Error Codes and Definitions
Error
code
E0
E1
E2
E3
E4
E 6
E 7
Eb
Ed
EE
A0
A1
FE
FA
H4
U4
F8
F7

8. Test Run

8.1 Things to Note Before Test Run
Indoor and outdoor units are properly installed;
Piping and wiring are correct;
No leakage from the refrigerant piping system;
Water discharge is smooth;
7 8 Insulation is complete;
Grounding line has been properly connected;
Piping length, and amount of refrigerant filled have been recorded;
The voltage of the power supply is the same as the rated voltage
/
of the air conditioner;
No obstacles at the air inlet and outlet of the indoor and outdoor units;
Cut-off valves for the gas and liquid ends of the outdoor unit are
opened;
8.2 Test Run
When the wired/remote controller is used to set the cooling
operations of the air conditioner, check the following items one by
one. If there is a fault, troubleshoot according to the manual.
Function keys of the wired/remote controller are operating normally;
Room temperature regulation is normal;
LED indicator is on;
Water discharge is normal;
No vibration and strange sounds during operation;
Note: Once the power is connected, when the unit is turned on or
started immediately after the unit is turned off, the air conditioner
has a protective function which delays the start of the compressor.
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Content
Mode conflict error
Communication error between indoor and outdoor units
Indoor ambient temperature sensor (T1) error
Indoor heat exchanger mid-point temperature sensor(T2) error
Indoor heat exchanger outlet temperature sensor (T2B) error
Fan error
EEPROM error
Indoor EEV coil error
Outdoor unit error
Water level error
Outdoor unit emergency stop
Refrigerant leakage error
Indoor unit has not been assigned an address
The capacity has not been set
Communication failure with display board
MS box self-check error
MS box error
Repeat address error