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Isotemp Economy Incubators
Caution:
Service procedures requiring access to the
electronics compartment involve exposure to line
voltage and should be done by a qualified service
personnel. Disconnect incubator from power before
attempting repairs.
Replacing
To replace a defective controller, proceed as follows:
the
Controller
1. Complete the procedures discussed in
Accessing the Electronics
Compartment.
2. Remove temperature dial knob.
3. Locate three push-on terminals at right hand side of controller board
(heater wire, two power wires). Disconnect the three lead wires by
pulling up an doff terminals. Note connections for later re-assembly.
4. Remove four screws w3hich mount the controller board to the bezel.
Lift out board.
5. Loosen set screws in two-position terminal at front of controller
board and disconnect thermocouple wires.
6. Install replacement controller by generally reversing the steps above.
Check switch DSl setting:
Caution:
When replacing the temperature dial, first rotate the
dial shaft full counter-clockwise. Then replace knob
with pointer at the 20 degree mark.
Summary of Contents for Isotemp 500 Series
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