898841-UIM-B-0113

TABLE 14: Error Codes - 30K 36K (Continued)

 

 

Display Method of Indoor Unit

 

 

Malfunction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Malfunction

 

Indicator Display

Indicator has 3 kinds of display

 

 

No.

Dual 8

(during blinking,

status and during blinking, ON 0.5s

A/C Status

Possible Causes

 

Name

Code

ON 0.5s and OFF 0.5s)

 

and OFF 0.5s

 

 

 

 

 

Display

Operation

Cool

Heating

Yellow

 

Red

 

Green

 

 

 

 

 

Indicator

Indicator

Indicator

Indicator

 

Indicator

 

Indicator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Loosening or bad contact of

 

Indoor

 

 

 

 

 

 

 

 

 

During cooling and drying

indoor ambient temp. sensor

 

 

 

 

 

 

 

 

 

 

and mainboard terminal.

 

ambient

 

 

OFF 3S

 

 

 

 

 

 

operation, indoor unit

2. Components in mainboard fell

 

temperature

 

 

 

 

 

 

 

 

operates while other loads

12

F1

 

and blink

 

 

 

 

 

 

down leads short circuit.

 

sensor is

 

 

once

 

 

 

 

 

 

will stop; during heating

3. Indoor ambient temp. sensor

 

open/short

 

 

 

 

 

 

 

 

operation, the complete

 

 

 

 

 

 

 

 

 

 

damaged. (check with sensor

 

circuited

 

 

 

 

 

 

 

 

 

unit will stop operation.

 

 

 

 

 

 

 

 

 

 

resistance value chart).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4. Mainboard damaged.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Loosening or bad contact of

 

Indoor

 

 

 

 

 

 

 

 

 

AC stops operation once

Indoor evaporator temp. sensor

 

 

 

 

 

 

 

 

 

 

and mainboard terminal.

 

 

 

 

 

 

 

 

 

 

reaches the setting tem-

 

evaporator

 

 

OFF 3S

 

 

 

 

 

 

2. Components on the

 

 

 

 

 

 

 

 

 

perature. Cooling, drying:

13

temperature

 

 

 

 

 

 

 

 

mainboard fall down leads

F2

 

and blink

 

 

 

 

 

 

internal fan motor stops

sensor is

 

 

 

 

 

 

 

short circuit.

 

 

 

twice

 

 

 

 

 

 

operation while other

 

open/short

 

 

 

 

 

 

 

 

3. Indoor evaporator temp.

 

 

 

 

 

 

 

 

 

 

loads stop operation; heat-

 

circuited

 

 

 

 

 

 

 

 

 

sensor damaged. (check temp.

 

 

 

 

 

 

 

 

 

 

 

ing: AC stop operation

sensor value chart for testing).

 

 

 

 

 

 

 

 

 

 

 

 

4. Mainboard damaged.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor

 

 

 

 

 

 

 

 

 

During cooling and drying

Outdoor temperature sensor

 

ambient

 

 

OFF 3S

 

 

 

OFF 3S

 

 

operating, compressor

hasnt been connected well or is

 

temperature

 

 

 

 

 

 

 

stops while indoor fan

14

F3

 

and blink

 

 

 

and blink

 

 

damaged. Please check it by

sensor is

 

 

 

 

 

 

operates; During heating

 

 

 

3 times

 

 

 

6 times

 

 

referring to the resistance table

 

open/short

 

 

 

 

 

 

 

operation, the complete

 

 

 

 

 

 

 

 

 

 

for temperature sensor).

 

circuited

 

 

 

 

 

 

 

 

 

unit will stop operation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor

 

 

 

 

 

 

 

 

 

During cooling and drying

Outdoor temperature sensor

 

condenser

 

 

OFF 3S

 

 

 

OFF 3S

 

 

operation, compressor

hasnt been connected well or is

15

temperature

 

 

 

 

 

 

 

stops while indoor fan will

F4

 

and blink

 

 

 

and blink

 

 

damaged. Please check it by

 

sensor is

 

 

4 times

 

 

 

5 times

 

 

operate; During heating

referring to the resistance table

 

open/short

 

 

 

 

 

 

 

operation, the complete

 

 

 

 

 

 

 

 

 

 

for temperature sensor).

 

circuited

 

 

 

 

 

 

 

 

 

unit will stop operation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

During cooling and drying

1.Outdoor temperature sensor

 

Outdoor

 

 

 

 

 

 

 

 

 

operation, compressor will

hasnt been connected well or is

 

 

 

 

 

 

 

 

 

 

stop after operating for

 

discharge

 

 

 

 

 

 

OFF 3S

 

 

damaged. Please check it by

 

 

 

OFF 3S

 

 

 

 

 

about 3 mins,while indoor

16

temperature

F5

 

 

 

 

 

 

referring to the resistance table

sensor is

 

and blink

 

 

 

and blink

 

 

fan will operate;During

for temperature sensor).

 

 

 

5 times

 

 

 

7 times

 

 

heating operation, the

 

open/short

 

 

 

 

 

 

 

2.The head of temperature

 

 

 

 

 

 

 

 

 

 

complete unit will stop

 

circuited

 

 

 

 

 

 

 

 

 

sensor hasnt been inserted

 

 

 

 

 

 

 

 

 

 

after operating for about

 

 

 

 

 

 

 

 

 

 

 

into the copper tube.

 

 

 

 

 

 

 

 

 

 

 

3 mins.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Limit/

 

 

 

 

 

 

 

 

 

All loads operate normally,

Refer to the ProficienTECH

 

decrease

 

 

OFF 3S

 

 

 

OFF 3S

 

 

17

 

 

 

 

 

 

 

while operation frequency

Ductless Splits Technical Train-

frequency

F6

 

and blink

 

 

 

and blink

 

 

 

 

 

 

 

 

for compressor is

ing Manual (overload, high

 

due to

 

 

for 6 times

 

 

 

3 times

 

 

 

 

 

 

 

 

 

 

decreased.

temperature resistant)

 

overload

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Decrease

 

 

OFF 3S

 

 

 

OFF 3S

 

 

All loads operate normally,

The input supply voltage is too

18

frequency

F8

 

and blink

 

 

 

and blink

 

 

while operation frequency

low; System pressure is too high

 

due to

 

 

8 times

 

 

 

once

 

 

for compressor is

and overload.

 

overcurrent

 

 

 

 

 

 

 

decreased.

 

 

 

 

 

 

 

 

 

 

 

 

Decrease

 

 

OFF 3S

 

 

 

OFF 3S

 

 

All loads operate normally,

Overload or temperature is too

19

frequency

 

 

 

 

 

 

 

while operation frequency

high; Refrigerant is insufficient;

F9

 

and blink

 

 

 

and blink

 

 

due to high

 

 

 

 

 

 

for compressor is

Malfunction of electric expan-

 

 

 

9 times

 

 

 

twice

 

 

 

air discharge

 

 

 

 

 

 

 

decreased.

sion valve (EKV).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Limit/

 

 

 

 

 

 

 

 

 

All loads operate normally,

 

 

decrease

 

 

OFF 3S

OFF 3S

 

 

OFF 3S

 

 

 

20

 

 

 

 

 

 

while operation frequency

Poor air-return in indoor unit or

frequency

FH

 

and blink

and blink

 

 

and blink

 

 

 

 

 

 

 

for compressor is

fan speed is too low.

 

due to

 

 

2 times

2 times

 

 

4 times

 

 

 

 

 

 

 

 

 

decreased.

 

 

antifreezing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Measure the voltage of posi-

 

 

 

 

 

 

 

 

 

 

 

 

tion L and N on wiring board

 

 

 

 

 

 

 

 

 

 

 

During cooling and drying

(XT), if the voltage is higher than

 

 

 

 

 

 

 

 

 

 

 

265VAC, turn on the unit after

 

Voltage for

 

 

OFF 3S

 

OFF 3S

 

 

 

 

operation, compressor will

the supply voltage is increased

 

 

 

 

 

 

 

 

stop while indoor fan will

to the normal range.

21

DC bus-bar is

PH

 

and blink

 

and blink

 

 

 

 

 

 

 

 

 

 

operate; During heating

2.If the AC input is normal, mea-

 

too high

 

 

11 times

 

13 times

 

 

 

 

 

 

 

 

 

 

 

 

operation, the complete

sure the voltage of electrolytic

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

unit will stop operation.

capacitor C on control panel

 

 

 

 

 

 

 

 

 

 

 

 

(AP1), if its normal, theres mal-

 

 

 

 

 

 

 

 

 

 

 

 

function for the circuit, please

 

 

 

 

 

 

 

 

 

 

 

 

replace the control panel (AP1).

42

Johnson Controls Unitary Products

Page 42
Image 42
Johnson Controls 22 SEER installation manual While operation frequency Ductless Splits Technical Train

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.

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