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5.1.8 Evaporator Pump #2 Failure
This alarm is generated if the pump is started but the flow switch is not able to close within the recirculate time. This can
be a temporary condition or may be due to a broken flowswitch, the activation of circuit breakers, fuses or to a pump
breakdown.
Symptom
Cause
Solution
Unit could be ON.
Bell icon is moving on controller’s
display.
Backup pump is used or stop of all
circuits in case of pump #1 failure.
String in the alarm list:
EvapPump2Fault
String in the alarm log:
EvapPump2Fault
String in the alarm snapshot
EvapPump2Fault
Pump #2 may not be operating.
Check for problem in electrical
wiring of the pump #2.
Check that electrical breaker of
pump #2 is tripped.
If fuses are used to protect the
pump, check the integrity of fuses.
Check for problem in wiring
connection between pump starter
and unit controller.
Check the water pump filter and the
water circuit for obstructions.
Flow Switch doesn’t operate properly
Check flow switch connection and
calibration.
Reset
Notes
Local HMI
Network
Auto
5.1.9 External Event
This alarm indicates that a device, whose operation is linked with this unit, is reporting a problem on the dedicated input.
Symptom
Cause
Solution
Unit status is Run.
Bell icon is moving on controller’s
display.
String in the alarm list:
UnitExternalEvent
String in the alarm log:
UnitExternalEvent
String in the alarm snapshot
UnitExternalEvent
There is an external event that has
caused the opening, for at least 5
seconds of the digital input on the
controller board.
Check for reasons of external event
and if it can be a potential problem
for a correct chiller operation.
Reset
Notes
Local HMI
Network
Auto
The alarm is automatically cleared
when the problem is solved.
NOTE: What above applies in case of configuration of the external fault digital input as Event.
5.1.10 Fan Alarm Module Communication Fail
This alarm is generated in case of communication problems with the FAC module.
Symptom
Cause
Solution
Bell icon is moving on controller’s
display.
String in the alarm list:
FanMdlCommFail
String in the alarm log:
FanMdlCommFail
String in the alarm snapshot
FanMdlCommFail
Module has no power supply
Check the power supply from the
connector on the side of the module.
Check if LEDs are both green.
Check if the connector on the side is
tightly inserted in the module
Module address is not properly set
Check if module’s address is correct
referring to the wiring diagram.
Module is broken
Check if LED are on and both green.
If BSP LED is solid red replace the
module
Check if power supply is ok but LEDs
are both off. In this case replace the
module
Reset
Notes
Local HMI
Network
Auto
Bekijk gratis de handleiding van Daikin EWYS5004Z, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Daikin |
| Model | EWYS5004Z |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 7564 MB |
