Thermo 3307 - Section 6: Troubleshooting Common Issues; Resolving Temperature, CO2, and RH Recovery Problems; Addressing Condensation and Gasket Issues

Section 6 - Troubleshooting
Certain conditions can occur in usage of this incubator
which can be resolved by checking the troublshooting chart
below. If the issue is not listed or cannot be resolved, contact
the Services department.
Problem
Possible Cause Solution
Poor temperature recovery and/or 1. HEPA filter is dirty 1. If the HEPA filter is older than six
temperature overshoot. 2. Temperature probe not reinstalled months, replace with new.
correctly. 2. Ensure temperature probe holder
bottoms-out in hole.
Poor CO2 recovery and/or 1. CO2 sensor not reinstalled correctly. 1. Ensure CO
2 sensor bottoms-out in hole.
actual higher than display.
Poor RH recovery. 1. Access port is plugged. 1. Install access port filter assembly. If it is
older than six months, replace with new.
2. Humidifier tubing pinched or 2. Check to ensure tubing is not pinched or
disconnected. disconnected.
3. Humidifier has heavy build-up. 3. Clean the humidifier; see Section 6.3.
4. RH sensor not reinstalled correctly. 4. Ensure RH sensor bottoms out in hole.
Condensation on cabinet face. 1. Removable gasket not reinstalled 1. Ensure there are not gaps between the
properly. gasket and the glass door.
Condensation on cabinet interior. 1. RH out of calibration. 1. Calibrate the RH, see Section 3.1c.
Condensation will also increase water 2. RH sensor not reinstalled correctly. 2. Ensure RH sensor bottoms-out in hole.
consumption. Under normal conditions
of 37°C, 95% RH, 5% CO
2, five door
openings per day, the water bottle should
last 2-3 weeks.
Steri-Cult Incubator ________________________________________________________________________Troubleshooting
6 - 1