JOHNSON CONTROLS
81
SECTION 6 – OPERATION
FORM 155.35-ICOM2.EN.CE/GB (1018)
DATE: 10/30/2018
6
BUTTON LABEL (ALARM
NAME)
CAUSE OF ALARM AND
CONDITION TO RESET
COUNTERMEASURES
High Cooling Water Inlet
Temp. (High cooling water inlet
temperature)
• The cooling water inlet
temperature rose enough to
trigger the load limit operation
during the cooling operation
• The alarm is automatically
reset when the temperature
falls.
• Check the cooling water inlet temperature control
system.
• Check the cooling tower.
Recording sensor abnormal
• The chilled / hot water inlet
temperature sensor or the
absorber temperature sensor
detected an abnormal value
due to a disconnection,
short circuit, or other loose
connections.
• 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.