York YHAU-CE-JE Series, Установка, эксплуатация и обслуживание, Страница: 127 / 136

JOHNSON CONTROLS
127
SECTION 8 – TROUBLESHOOTING
FORM 155.33-ICOM2.EN.GB
ISSUE DATE:12/4/2017
8
TABLE 35 - COMMUNICATION ERRORS
ITEM CAUSE COUNTERMEASURE
1
Communication between the touch
panel and the temperature controller is
not established. • Check the communication cable between the touch panel
and the temperature controller.
• Contact your local Johnson Controls Service Center.
2 There is a control sensor fault. The
chilled / hot water outlet temperature,
refrigerant temperature, cooling water
inlet temperature, HG (XG) solution
temperature, waste hot water inlet
temperature, HT-HEX solution outlet
temperature, engine waste exhaust
gas inlet temp., engine waste exhaust
gas outlet temp. and/or the HG (XG)
pressure shows an abnormal valve
• Tighten the terminals in the control panel.
• Contact your local Johnson Controls Service Center.
3 There is a recording sensor
abnormality. The chilled / hot water
inlet temperature, cooling water outlet
temperature, absorber temperature,
and/or the waste hot water outlet
temperature shows an abnormal value.
4 RS485 communication (option) was not
done.
5 The remote setting signal (4~20 mA)
was abnormal during the remote chilled
/ hot water outlet temperature setting
mode.