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Daikin LRMEQ6AY1E [16/17] Service diagnosis
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15
5. Service Diagnosis
On completion of installation (P.4 3. Connection Drawing), turn the outdoor unit power ON and make sure that
pressures are displayed normally.
Abnormal display: Refer to “Service Diagnosis” below and take necessary remedies if no figures are
displayed. If the trouble do not fall under any of the items described, change the Digital Pressure Gauge Kit.
Error display and measurements
Error display Cause Remedy
1
The LED indicator is not lit
Power supply is not provided
to the outdoor unit.
Provide power supply to the outdoor unit.
The connector of the power
supply line is unplugged.
Insert the connector of the power supply
line.
The power supply line is
disconnected or damaged.
Replace the power supply line.
Others
Please change the Digital Pressure
Gauge Kit.
2
All LEDs blink
The connector of the
communications line is
unplugged.
Plug in the connector of the
communications line.
The communications line is
disconnected or damaged.
Replace the communications line.
The outdoor unit is not
compatible with the Digital
Pressure Gauge Kit.
Check with a this service manual if the
outdoor unit is compatible with the Digital
Pressure Gauge Kit.
If the outdoor unit is not compatible, this
Digital Pressure Gauge Kit cannot be
used.
Others
Please change the Digital Pressure
Gauge Kit.
3
There is a high-voltage line
generating noise around the
communications line.
Noise may be imposed on the
communications line. Separate the high-
voltage line.
The outdoor unit has a defect.
Refer to the Service Guide and remedy
the problem.
Others
Please change the Digital Pressure
Gauge Kit.
blinks
Содержание
- Bhgp26a1 e h 1
- Connected model 1
- Digital pressure gauge kit 1
- Failure diagnosis tool for zeas_a type 1
- Contents 2
- Table of contents 2
- Check the software of condensing unit 3
- Communicated image 3
- Condensing unit 3
- Digital pressure gauge kit 3
- Overview of product 3
- Preparation before connection of digital pressure gauge kit 3
- Specification of digital pressure gauge kit 4
- Connection drawing 5
- Discharge 5
- Label pasting drawing 5
- Mm max 5
- Section a 5
- Section a detail view 5
- Section b 5
- Section b detail view 5
- Suction 5
- Wiring drawing 5
- Connection drawing 6
- Knock hole on the front panel 6
- Attention in the display 7
- Digital pressure gauge kit and ram monitor can not be used at the same time for communication line is connected to x27a of control pcb of outdoor unit 7
- Installation drawing 7
- Abnormal 8
- Display item 8
- Display item and method of operation 8
- Normal 8
- Cautions for manual operation display 1 9
- Manual operation display 1 9
- 1 for a display example te0 is displayed refer to the detailed information of display items on the following page onward 10
- H h k h h h h 10
- H k k h h h h 10
- L h h l h h h 10
- L h k h h h k 10
- L h k h h h l 10
- L h l h h h h 10
- Table1 operation method of manual operation display 1 10
- 1 no display is available as target equipments are not present 2 in case each sensor is abnormal correct value can not be displayed before checking the sensor measurement please check if there is an abnormal report 11
- Table2 display items of manual operation display 1 11
- 1 no display is available as target equipments are not present 2 in case each sensor is abnormal correct value can not be displayed before checking the sensor measurement please check if there is an abnormal report 12
- Cautions for manual operation display 2 14
- Display example 14
- Each display item is displayed by automatic scroll interval of 3 sec in the order of display no 2 after display no 3 displayed automatically returns to display no 1 3 after 120 minutes of automatic scroll the display is automatically returned to the initial display so that it will not be lost 4 if booster unit is abnormal a batch of error codes from outdoor units such as 14
- Etc are displayed 14
- In case no error is present 14
- Manual operation display 2 14
- On the manual operation display 2 you can check error history for the preceding 3 times in this case both upper and lower sections show lighting display the upper section indicates how many times error occurred in the history the lower section displays error code 14
- Table 3 on p 14 shows how to set manual operation display 2 14
- H h k h h h h 15
- H k k h h h h 15
- L h h l h h h 15
- L h k k h h h 15
- L h l l h h h 15
- Table3 operation procedure of manual operation display 2 15
- Error display and measurements 16
- On completion of installation p 3 connection drawing turn the outdoor unit power on and make sure that pressures are displayed normally abnormal display refer to service diagnosis below and take necessary remedies if no figures are displayed if the trouble do not fall under any of the items described change the digital pressure gauge kit 16
- Service diagnosis 16
- Led of outdoor unit flow 17
- Segment flow manual operation display 1 17
- Segment flow manual operation display 2 17
- The entire flow 17
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