Warning Codes - Delta CoolDoor User Manual

Phenomenon
Abnormal Touch
Panel display or
absence of display
7.2

Warning Codes

Event
Alarm Name
ID
Water Leak
28
Active
150 Leak Line Open
30 Fire/ Smoke
Input Feed A
32
Abnormal
Possible cause
The connections are wrong.
Screen failure
Alert
System Action
Level
after Alarm
*
1. Alarm display
2. When the stop
function is on
2
for leakage,
the ball valve
is closed
2 1. Alarm display
1. Alarm display
2. Turn on the
fire emergency
2
stop to cause
the entire
device to stop
running
1. Alarm display;
switch the
1
power to Feed
B
Troubleshooting Instructions
Check if the connections to the
console are correct; restart the
distribution board if necessary.
Replace with a new screen.
Possible Cause
1. Generation of
condensate
2. Water leakage
in pipe joints
1. Leak detection
line is off or not
connected
properly
1. Fire and smoke
input contact
trigger
1. Input Feed A
power supply is
not within the
scope of
application
67
Method of
Exclusion
1. Check the
environmental
humidity
2. Check coil and
pipeline for leaks
1. Check the wiring
of the leakage
sensing line
1. Check the
surrounding
environment and
eliminate
abnormalities
2. External sensor
abnormality
1. Check the power
supply