TM 10-6640-238-13 3-10 Table 3-2.  Troubleshooting - continued MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION b.   If manometer still fails to operate, notify unit maintenance. 33. MANOMETER GIVES INACCURATE (HIGH/LOW) PRESSURE READING. Step 1.    Check zero setting. Adjust zero setting if required. Step 2.    Check for leaks or obstructions. a.   Make applicable corrections. b.   If manometer still gives inaccurate readings, notify unit maintenance. 34. KINEMATIC VISCOSITY BATH DOES NOT OPERATE. Step 1.    Check that unit’s power cord is plugged into convenience outlet for viscosity bath. Step 2.    Check that line switch is ON. Step 3.    Check and reset MAIN POWER PANEL circuit breaker A1CB4. If bath still fails to operate, notify unit maintenance. 35. CENTRIFUGE FAILS TO OPERATE, RUN PUSHBUTTON ON, LAMP OUT. Step 1.    Ensure that unit’s power cord is plugged into convenience outlet. Step 2.    Check position of line switch. Place line switch ON. Step 3.    Check and reset MAIN POWER PANEL circuit breaker A1CB8. If centrifuge still fails to operate, notify unit maintenance. 36. DISTILLATION TEST APPARATUS FAILS TO OPERATE. Step 1.    Ensure that unit’s power cord is plugged into convenience outlet. Step 2.    Check position of line switch. Place line switch ON. Step 3.    Check and reset MAIN POWER PANEL circuit breaker A1CB7. If distillation test apparatus still fails to operate, notify unit maintenance. 37. FREEZER FAILS TO OPERATE. Step 1.    Ensure that unit’s power cord is plugged into convenience outlet located in mechanical room. Step 2.    Check and reset MAIN POWER PANEL circuit breaker A1CB8. Step 3.    Check thermostat control. a.   Turn thermostat control knob to maximum cold setting. b.   If freezer still fails to operate, notify unit maintenance.