notify unit maintenance to troubleshoot the HIGH PRESSURE RELIEF VALVE and the HIGH PRESSURE SWITCH.
Apply power to the ROWPU.
The blue lamp, R.O. PUMP LOW PRESSURE, on ROWPU control box assembly comes
on as soon as power is applied to the ROWPU.
b. Push EMERGENCY STOP button in if any of the following conditions exist:
Operating personnel could be injured or the equipment could be damaged if operation of
the ROWPU is allowed to continue.
Blue HIGH PRESSURE lamp associated with R.O. PUMP comes on but R.O. Pump does not
Blue LOW PRESSURE lamp associated with R.O. PUMP comes on but R.O. Pump does not
Some other serious trouble (malfunction) indicated by noise, vibration, large water leaks, etc.
Figure 2-50. Emergency Stop Button