Daikin Modular L Smart, Руководство по обслуживанию

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ESIE19-06 | Part 2. Troubleshooting 2.2. Error based troubleshooting
Page 26 21/01/20 | Version 1.1
Modular L Smart
2.2.1.8. “AJ-00” – Capacity setting abnormality
2.2.1.9. “CH-00” – CO
2
sensor warning
Faulty indoor PCB. Check if error still occurs after turning off
power and turning it back on again.
Check if the indoor PCB receives power.
Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Check the wiring to indoor PCB. Adjust power to the HRV unit.
Replace main PCB when HAP LED is not
blinking in regular intervals.
Replace inverter fan PCB when HAP LED
is not blinking in regular intervals.
Install correct spare part.
Adjust wiring to main PCB and inverter fan
PCB when required.
Faulty indoor fan motor. Check the fan motor.
Check fan motor connections and wiring. Replace fan motor when required.
Adjust wiring when required.
Trigger Effect Reset
The capacity setting adaptor is not con-
nected or not recognised by the indoor
PCB. Unit will stop operating. Power reset HRV unit.
Possible cause Check Corrective action
Faulty capacity adapter on indoor PCB (in
case of spare part PCB). Check if the correct adapter is installed.
Check if the correct spare part is installed. Adjust capacity adapter when required.
Mount correct PCB.
Faulty indoor PCB. Check if error still occurs after turning off
power and turning it back on again.
Check if the indoor PCB receives power.
Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Check the wiring to indoor PCB. Adjust power to the indoor PCB.
Replace indoor PCB when HAP LED is
not blinking in regular intervals.
Install correct spare part or update indoor
PCB.
Adjust wiring to indoor PCB when
required.
Trigger Effect Reset
Disconnected or short circuit CO
2
sensor
(optional accessory).
Unit will not stop operating.
Control will not adjust RPM according to
CO
2
level.
Automatic reset.
To remove warning from main history,
push the ON/OFF button on the remote
controller for 5 seconds in the check
mode.
Possible cause Check Corrective action
HRV unit - Electrical components
Faulty CO
2
sensor. Erase the error record from the remote
controller. Replace the CO
2
sensor.
Faulty main PCB. Check field settings about control of CO
2
sensor.
Adjust field settings according to installa-
tion setup with or without CO
2
sensor kit.
External factor (e.g. electrical noise) (error
disappears after power reset, but returns
after a while). Check for source which could cause elec-
trical interference. Avoid electrical interference.
Possible cause Check Corrective action