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CT Scanner Calibration Failure

By MedBazaar Technical Team · Troubleshooting Guide

مسئلہ / Problem

CT scanner calibration fail ho rahi hai ya calibration error message aa raha hai.

Air calibration failed

Water phantom calibration error

Detector element failure

Software issue

X-ray tube output drift

Daily Calibration (Air Cal)

Every day scan se pehle mandatory

Gantry empty mein X-ray exposure

Automatic process — user initiates

Water Phantom Cal

Weekly ya per manufacturer schedule

Reference phantom use hota hai

Engineer ya trained user kar sakta hai

Detector Calibration

Monthly/quarterly

Engineer required

Gantry mein koi object to nahi (completely empty)

Gantry bore clean hai — dust ya debris nahi

Room temperature stable hai

Restart karein aur retry karein

Daily cal repeat failure, phantom cal failure, ya detector errors — engineer immediately contact karein. Image quality compromised ho sakti hai.

Difficulty: Intermediate (daily cal) / Advanced (full calibration)

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CT Scanner Gantry Communication Error

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CT Scanner Tube Overheating

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CT Scanner Reconstruction Error

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