898841-UIM-B-0113

TABLE 13: Error Codes - 18K 24K (Continued)

 

 

 

 

 

 

Display Method of Outdoor

 

 

 

 

Display Method of Indoor Unit

Unit (Indicator has 3 kinds of

 

 

 

 

display status and they will

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

be repeated every 5s.)

 

 

 

Malfunction

 

 

 

 

 

 

 

 

 

 

No.

 

Indicator Display (during

 

OFF

 

A/C status

Possible Reasons

Name

 

 

 

 

Dual-8

 

blinking,

 

 

Illuminated

 

 

 

 

 

 

 

 

 

 

 

 

 

Code

ON 0.5s and OFF 0.5s)

 

Blink

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Display

 

 

 

 

 

 

 

 

 

 

 

Operation

Cool

Heating

D5

D6

D16

D30

 

 

 

 

 

Indicator

Indicator

Indicator

(D40)

(D41)

(D42)

(D43)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor

 

 

 

 

 

 

 

 

During cooling and drying

Outdoor temperature sensor

 

 

 

 

 

 

 

 

 

operation, compressor stops

 

condenser

 

 

OFF 3S

 

 

 

 

 

hasn’t been connected well or is

13

temperature

F4

 

and blink

 

while indoor fan will

damaged. Please check it by

 

 

operate; During heating

 

sensor is open/

 

 

4 times

 

 

 

 

 

operation the complete unit

referring to the resistance table

 

short circuited

 

 

 

 

 

 

 

 

for temperature sensor).

 

 

 

 

 

 

 

 

 

will stop operation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

During cooling and drying

1.Outdoor temperature sensor

 

Outdoor

 

 

 

 

 

 

 

 

operation, compressor will

hasn’t been connected well or is

 

 

 

 

 

 

 

 

 

stop after operating for about

damaged. Please check it by

 

discharge

 

 

OFF 3S

 

 

 

 

 

 

 

 

 

 

 

 

 

3 mins, while indoor fan will

referring to the resistance table for

14

temperature

F5

 

and blink

 

 

 

operate; During heating

temperature sensor).

 

sensor is open/

 

 

5 times

 

 

 

 

 

operation, the complete unit

2.The head of temperature sensor

 

short circuited

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

will stop after operating for

hasn’t been inserted into the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

about 3 mins.

copper tube.

 

 

 

 

 

 

 

 

 

 

 

 

 

Limit/ decrease

 

 

OFF 3S

 

 

 

 

 

All loads operate normally,

Refer to the ProficienTECH Duct-

 

 

 

and blink

 

 

 

 

 

less Splits Technical Training Man-

15

frequency

F6

 

 

while operation frequency for

 

for 6

 

ual (overload, high temperature

 

due to overload

 

 

times

 

 

 

 

 

compressor is decreased.

resistant).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Decrease

 

 

OFF 3S

 

 

 

 

 

All loads operate normally,

The input supply voltage is too low;

16

frequency due

F8

 

and blink

 

while operation frequency for

System pressure is too high and

 

to overcurrent

 

 

8 times

 

 

 

 

 

compressor is decreased.

overload.

 

Decrease

 

 

OFF 3S

 

 

 

 

 

All loads operate normally,

Overload or temperature is too

 

frequency due

 

 

 

 

 

 

 

high; Refrigerant is insufficient;

17

F9

 

and blink

 

while operation frequency for

to high air

 

 

Malfunction of electric expansion

 

discharge

 

 

9 times

 

 

 

 

 

compressor is decreased.

valve (EKV).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Measure the voltage of position

 

 

 

 

 

 

 

 

 

 

 

L and N on wiring board (XT), if the

 

 

 

 

 

 

 

 

 

 

During cooling and drying

voltage is higher than 265VAC,

 

 

 

 

 

 

 

 

 

 

turn on the unit after the supply

 

Voltage for

 

 

OFF 3S

 

 

 

 

 

operation, compressor will

voltage is increased to the normal

 

 

 

 

 

 

 

 

stop while indoor fan will

range.

18

DC bus-bar

PH

 

and blink

 

 

 

operate; During heating

2. If the AC input is normal

 

is too high

 

 

11 times

 

 

 

 

 

operation, the complete

measure the voltage of electrolytic

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

unit will stop operation.

capacitor C on control panel (AP1),

 

 

 

 

 

 

 

 

 

 

 

if its normal, there’s malfunction for

 

 

 

 

 

 

 

 

 

 

 

the circuit, please replace the con-

 

 

 

 

 

 

 

 

 

 

 

trol panel (AP1).

 

 

 

 

 

 

 

 

 

 

During cooling and drying

 

 

Malfunction of

 

 

OFF 3S

 

 

 

 

 

operation, the compressor

There’s circuit malfunctionon out-

19

complete units

 

 

 

 

 

 

 

will stop while indoor fan

door units control panel AP1,

U5

 

and blink

 

current

 

 

will operate; During heating

please replace the outdoor units

 

detection

 

 

13 times

 

 

 

 

 

operating, the complete

control panel AP1.

 

 

 

 

 

 

 

 

 

 

unit will stop operation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

During cooling and drying

Refer to the ProficienTECH Duct-

 

Overcurrent

 

 

OFF 3S

 

 

 

 

 

operation, compressor will

less Splits Technical Training Man-

20

protection of

 

 

 

 

 

 

 

stop while indoor fan will

ual (IPM protection, loss of

P5

 

and blink

 

phase current

 

 

operate; During heating

synchronism protection and

 

for compressor

 

 

15 times

 

 

 

 

 

operation, the complete

overcurrent protection of phase

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

unit will stop operation.

current for compressor.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF 3S

 

 

 

 

Defrosting will occur in

 

 

 

 

 

 

 

 

 

 

heating mode. Compressor

 

21

Defrosting

H1

 

 

and blink

 

 

 

 

Its the normal state.

 

 

 

 

 

 

will operate while indoor fan

 

 

 

 

 

once

 

 

 

 

will stop operation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Static

 

 

 

OFF 3S

 

 

 

 

 

 

22

de-dusting

H2

 

 

and blink

 

 

 

 

/

/

 

protection

 

 

 

twice

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

During cooling and drying

1. Wiring terminal OVC-COMP is

 

 

 

 

 

 

 

 

 

 

loosened. In normal state, the

 

Overload

 

 

 

OFF 3S

 

 

 

 

operation, compressor will

resistance for this terminal should

 

 

 

 

 

 

 

 

stop while indoor fan will

be less than 1ohm.

23

protection for

H3

 

 

and blink

 

 

operate; During heating

2.Refer to the ProficienTECH

 

compressor

 

 

 

3 times

 

 

 

 

operation, the complete

Ductless Splits Technical Training

 

 

 

 

 

 

 

 

 

 

unit will stop operation.

Manual (discharge protection,

 

 

 

 

 

 

 

 

 

 

 

overload).

38

Johnson Controls Unitary Products

Page 38
Image 38
Johnson Controls 22 SEER installation manual Will stop operation

22 SEER specifications

Johnson Controls has long been a leader in the heating, ventilation, and air conditioning (HVAC) industry, consistently pushing the boundaries of energy efficiency and comfort. One of their standout offerings is the 22 SEER (Seasonal Energy Efficiency Ratio) air conditioning system, which boasts advanced technologies designed to deliver optimal performance while minimizing energy consumption.

At the heart of the Johnson Controls 22 SEER system is its innovative compressor technology. The variable-speed compressor allows for precise temperature control by adjusting the cooling output according to the specific demands of your space. This means that instead of constantly turning on and off, the system can operate at lower speeds for longer periods, ensuring even cooling and reducing energy bills.

In addition to the compressor, the 22 SEER unit employs high-efficiency coils and a superior refrigeration system that work in tandem to enhance performance. These components are designed to maximize heat transfer, enabling the system to cool your home more effectively and efficiently.

Another notable feature of the Johnson Controls 22 SEER system is its smart technology integration. With a focus on convenience and energy management, these units often come equipped with Wi-Fi connectivity, allowing homeowners to control their HVAC systems remotely using a smartphone app. This capability enhances user experience by enabling real-time monitoring and scheduling, ultimately leading to smarter energy use.

The design of the units also reflects an emphasis on quiet operation. Noise reduction technologies, including sound-dampening features, ensure that the system operates quietly in the background, enhancing indoor comfort without disruptive sounds.

Durability is another standout characteristic of the Johnson Controls 22 SEER systems. These units are built with high-quality materials and rigorous testing standards, ensuring they can withstand harsh weather conditions and provide reliable performance over the years.

Moreover, the 22 SEER air conditioning systems contribute to environmental sustainability. By using less energy, they not only lower utility costs but also reduce the carbon footprint of homes, aligning with growing consumer preferences for eco-friendly solutions.

Overall, the Johnson Controls 22 SEER air conditioning system represents a significant leap forward in HVAC technology. Its blend of efficiency, innovative features, and user-friendly technologies makes it an ideal choice for environmentally-conscious homeowners seeking comfort without compromise. Whether upgrading an existing system or investing in a new one, the 22 SEER unit stands out as a prime example of luxury, efficiency, and sustainability in the HVAC market.