Table 5-5. Troubleshooting Chart for Reid Vapor Pressure Bomb Bath
TEST OR INSPECTION
1. NOT HEATING, MOTOR NOT OPERATING.
Be sure plug is in outlet tightly and line switch is on.
Check line voltage at line terminals. If zero volt reading is obtained, failure of cord, plug or switch is apparent.
Check and repair or replace as necessary.
If the line voltage is measured, the cord, plug and switch are working, check voltage at the load terminals. If no
voltage, check the thermoregulator to be sure no break exists in the mercury columns. If this is not the to check
all terminals and other connections for tightness.
If trouble is not resolved, check voltage across transformer, across relay coils and resistors.
If problem is still unsolved check for possible burned out motor and heater at the same time.
2. NOT HEATING, STIRRER OPERATES.
Check thermoregular and electronic relay to be sure no break exists in the mercury columns, check all terminals
and other connections for tightness. If these check out, inspect heater terminals. If no continuity, heater is
burned out. Check for low line voltage.
3. HEATING, BUT NO TEMPERATURE CONTROL.
Check if thermoregulator or relay has failed. Also check for bad contacts at thermoregulator plug or broken wire
lead between thermoregulator and chassis.