HRX-OM-Q026
Chapter 6 Alarm Notification and Troubleshooting
6.3 Troubleshooting HRSH Series
6-8
6.3.2 How to release Fan Breaker Trip alarm
Water-cooled type model does not generate this alarm.
1. Turn OFF the earth leakage beaker of the user's power supply.
2. Remove four screws to remove the front panel for the electrical unit.
Fig. 6-1: Removal of the front panel of the electrical unit
3. Hold the handle and pull up the front panel of the electrical unit, and remove it.
Fig. 6-2: Removal of the front panel of the electrical unit
Be sure to lock out and tag out the breaker of the facility power supply
(user's power supply) before wiring.
Front panel for the
electrical unit
HRSH-A-20-B1,
HRSH-A-40-
Note: Turn OFF the breaker.
The front panel of the
electrical unit cannot
be removed without
turning off the
breaker.