52 |
P a g e
Be sure to reset an alarm only after you have removed the cause of the fault; repeated reset may result in irrevocable
damage to the unit.
9.
DIAGNOSIS AND TROUBLESHOOTING
F
AULT FINDING
All units are checked and tested at the factory before shipment, however, during operation an anomaly or failure can occur.
Code
Alarm Description
Cause
Solution
ACF1
Configuration alarm
Wrong configuration of microprocessor
control system.
Contact the Lochinvar Limited.
ACF2
Configuration alarm
ACF3
Configuration alarm
ACF4
Configuration alarm
ACF5
Configuration alarm
ACF6
Configuration alarm
ACF7
Configuration alarm
ACF8
Configuration alarm
ACF9
Configuration alarm
AEE
Eeprom alarm
Severe hardware damage in the
microprocessor control system.
Switch OFF the unit and, after few
second switch ON the unit; if the alarm
appears again contact the service.
AEFL
User water flow switch alarm
Presence of air or dirtiness in the user
hydraulic system.
Bleed carefully the user hydraulic system or
check and clean the water strainer.
AEUn
Compressor unloading alarm (only
units with 2 compressors)
User water temperature is too high.
Wait until the user water temperature is
lower.
AHFL
Domestic hot water flow switch alarm
Presence of air or dirtiness in the user
hydraulic system.
Bleed carefully the user hydraulic system or
check and clean the water strainer.
AP1
Alarm user inlet water temperature
sensor
Wrong electrical connection, Sensor
defect.
Check the electrical connection of the
sensor to the terminal board, if correct
call the service to replace the sensor.
AP10
Alarm safety domestic hot water
sensor
AP2
Alarm user outlet water temperature
sensor
AP3
Alarm pressure transducer
AP4
Alarm finned coil sensor / defrost
sensor
AP5
Alarm domestic hot water inlet tempe-
rature sensor
AP6
Alarm domestic hot water outlet
temperature sensor
Содержание Amicus LAHP1202WW
Страница 27: ...Page 27 HYDRAULIC COMPONENTS O Flow Switch N User heat exchanger Q Source heat exchanger O Q N...
Страница 28: ...Page 28 TYPICAL INSTALLATION The pump must be installed with the water supply facing the water inlet connection...
Страница 33: ...33 P a g e Remote wiring connections optional...
Страница 34: ...34 P a g e Factory fitted wiring connections...
Страница 55: ...Dimensional Drawing Amicus LAHP WW Units 1804 2304 2604...
Страница 56: ...NOTES...
Страница 57: ...NOTES...
Страница 58: ......