Table 3-2. Troubleshooting
TEST OR INSPECTION
NO ELECTRICAL POWER TO LABORATORY (PURGE SYSTEM DOES NOT
Step 1. Check generator set power output switch is ON.
Place generator output power switch ON.
Step 2. Check generator set output voltage for correct setting.
Adjust voltage to 208 VAC.
Do not come in contact with main power cable connections on
generator set with power applied to laboratory. Death or serious
injury may result.
Step 3. Check that main power cable is properly connected to generator set.
Turn generator set output power switch OFF.
Properly secure main power cable to connectors.
Step 4. Check that main power cable is properly connected to laboratory electrical power
Do not attempt to disconnect or connect main power cable to
laboratory electrical receptacle with power applied to the laboratory.
Death or serious injury may result.
Make proper power cable connection.
Step 5. Check that timer bypass switch is ON.
Automatic laboratory startup purging does not occur if environmental
control units, or damper motors are inoperative. Do not enter the
laboratory without first allowing the laboratory to vent to the
atmosphere for a minimum of 20 minutes. Failure to comply with this
warning may result in death or serious injury.
Carefully open the personnel entrance door to full open position.
After 20 minutes of venting, enter laboratory.