Table 3-2. Troubleshooting (ROWPU) (continued)
TEST OR INSPECTION
Check to see if ROWPU is receiving power from power source R.O pump LOW PRESSURE LAMP
should be on and panel light should work if ROWPU is receiving power.
Make sure power source is securely plugged into junction box.
Troubleshoot power source using applicable manual.
Check to see if associated pump is operating For R.O pump, see if sheave is turning; for other pumps,
rest a hand lightly on the motor casing to feel for motor vibrations, check for correct pump rotation.
If motor is running, replace panel light bulb (para.3-10).
If new bulb does not light, notify unit maintenance to troubleshoot lamp socket and wiring.
If motor is not running, go to step 4.
Electric shock can cause severe injury or death. Do not touch anything in the junction box except the
circuit breaker handle.
Check circuit breakers.
Reset circuit breaker.
Attempt to start pump.
If pump will not start, notify unit maintenance.