JOHNSON CONTROLS
85
SECTION 6 – OPERATION
FORM 155.33-ICOM2.EN.GB
ISSUE DATE:12/4/2017
6
BUTTON LABEL (ALARM
NAME)
CAUSE OF ALARM AND
CONDITION TO RESET
COUNTERMEASURES
Recording sensor abnormal
• The chilled / hot water inlet
temperature sensor, the
absorber temperature sensor,
or the waste hot water outlet
sensor detected an abnormal
value due to a disconnection,
short circuit, etc.
• The remote setting signal
(4~20mA) value was abnormal
during the remote chilled /
hot water outlet temperature
setting mode.
• The RS485 communication
(option) did not take place.
• Press the
ALARM RESET
button after the sensor signal
is repaired.
• Tighten the terminal connections in the control panel.
• Contact your local Johnson Controls Service Center.
Low battery voltage
• Voltage level of the PWB
battery in the control board
dropped.
• Press the
ALARM RESET
button after installing a new
battery in the control board.
Install a new PWB battery in the control board.
To move to another screen, press the any of the avail-
able buttons along the bottom of the screen.
TABLE 16
- ALARM LIST, CONT'D