ESIE19-06
|
Part 2. Troubleshooting
2.2. Error based troubleshooting
21/01/20
|
Version 1.1
Page 25
Modular L Smart
2.2.1.5. “A1-01” – PCB abnormality
2.2.1.6. “A6-00” – Fan motor abnormality
2.2.1.7. “A8-00” – Power supply malfunction
Trigger
Effect
Reset
EEPROM data is not received correctly.
Unit will stop operating.
Power reset via HRV unit.
Possible cause
Check
Corrective action
HRV unit - Electrical components
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
The rotation speed of the fan motor is not
detected while the output voltage to the
fan is at its maximum.
Control will perform some retry to operate
fan motor.
When retries fail, unit will stop operating.
Power reset HRV unit.
Possible cause
Check
Corrective action
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.
Faulty indoor fan motor.
Check the fan motor.
Check fan motor connections and wiring.
Replace fan motor when required.
Adjust wiring when required.
Indoor fan motor locked.
Switch off the power.
Turn fan manually.
Replace fan motor when the fan does not
turn smoothly.
Trigger
Effect
Reset
Power supply at main PCB is not correct.
Unit will stop operating.
Power reset HRV unit.
Possible cause
Check
Corrective action
Power supply is not correct.
Voltage & frequency within tolerance.
Correct contact circuit breaker.
Correct cable specification.
Adjust power supply.
Содержание Modular L Smart
Страница 1: ...Service Manual Modular L Smart ESIE19 06 ...
Страница 6: ...ESIE19 06 Page 6 21 01 20 Version 1 1 Modular L Smart ...
Страница 16: ...ESIE19 06 Part 1 Introduction 1 4 How to use Page 16 21 01 20 Version 1 1 Modular L Smart ...
Страница 59: ...ESIE19 06 Part 4 Maintenance 4 1 HRV unit 21 01 20 Version 1 1 Page 59 Modular L Smart ...
Страница 60: ...ESIE19 06 Part 4 Maintenance 4 1 HRV unit Page 60 21 01 20 Version 1 1 Modular L Smart ...
Страница 62: ...ESIE19 06 Part 5 Appendix Page 62 21 01 20 Version 1 1 Modular L Smart This page is deliberately left blank ...
Страница 86: ...ESIE19 06 Part 5 Appendix 5 4 Switch box Modular L Smart Page 86 21 01 20 Version 1 1 Figure 5 23 Control PCB ...