Directory: Knowledge Base | Pulse Oximeter | Pulse Oximeter Product Support |

Choice Medical MD300C - Possible Problems and Resolutions

Choice Medical MD300C Fingertip Pulse Oximeter - Problems and Resolutions

Possible Problems and Resolutions

Problem: Spo2 or PR can not be shown normally

Possible reason: Finger is not plugged correctly

Solution: Retry by plugging the finger

Possible reason: Patient's Oxyhemoglobin value is too low to be measured

Solution: Try some more times. If you can make sure about no problem existing in the product, please go to a hospital for exact diagnosis

Possible reason: Finger is not plugged correctly

Solution: Retry by plugging the finger

Problem: Spo2 or PR is shown unstably

Possible reason: Finger might not be plugged deep enough

Solution: Retry by plugging the finger

Possible reason: Finger is trembling or patient's body is in movement status

Solution: Try not to move

Problem: The Oximeter cannot be powered on

Possible reason: Powerof batteries might be inadequate or not be there at all

Solution: Replace batteries

Possible reason: Batteries might be installed incorrectly

Solution: Reinstall the batteries

Possible reason: The Oximeter might be damaged

Solution: Contact local customer service centre

Problem: Indication lamps are suddenly off

Possible reason: The product is automatically powered off when no signal is detected longer than 8 seconds

Solution: Normal

Possible reason: Low power

Solution: Replace the batteries

Problem: "Error3" or "Error4" displayed on screen

Possible reason: Low power

Solution: Change new battery

Possible reason: Receiving tube being shielded or damaged together with broken connector.

Solution: Contact local customer service centre

Possible reason: mechanical Misplace for receive-emission tube

Solution: Contact local customer service centre

Possible reason: amp circuit malfunction.

Solution: Contact local customer service centre

Problem: "Error7" displayed on screen

Possible reason: Low power

Solution: Change new battery

Possible reason: Emission tube damaged.

Solution: Contact local customer service centre

Possible reason: Current control circuit malfunction.

Solution: Contact local customer service centre