HRX-MM-N007
Chapter 3 Alarm Indication and Troubleshooting
HRS Series
3.3 Troubleshooting
3-111
AL33: Water leakage
<Detection method> This alarm goes off when the water leakage sensor detects water leakage.
- This alarm is set to be OFF as default.
- This alarm goes off when the drain pan set, "HRS-
WL001", that is
available as a separately sold accessory is used.
Refer to the Operation Manual that is attached to the
drain pan set.
Water leakage
AL33
Is water leakage sensor
connected?
Connect a water leakage
sensor.
Error
Replace the water leakage
sensor.
1.
Is there fluid on
the bottom surface of
the water detecting
sensor?
Normal
2.
Check the water
leakage sensor.
There is a possibility that liquid temporarily adhered the
water leakage sensor. (e.g. The liquid that temporarily
adhered the sensor dried after the alarm is generated.)
Check if there are any water leaking parts in the
installation environment and the circulating fluid circuit.
N
Y
Water is leaking. Repair the
water leaking part.
N
Y
1.
Liquid remains on the bottom surface of the water detecting sensor.
There is a leakage sensing part on the bottom surface of the water leakage sensor, and if liquid
contacts there, the water leakage sensor operates. Check if there is any liquid sticking to it.
