This typically indicates a display-related hardware issue. The cable between the main board and the display may be defective or poorly connected. Alternatively, the LCD display itself may be defective and require replacement.
Battery icon flashes constantly or indicates it is not charging. Diagnostic Steps & Fixes
The printer motor runs, but the paper remains entirely blank, or the paper jams and prints compressed, illegible lines. Diagnosis & Fixes
: If the unit fails to stay on, verify the non-stabilized 20V DC voltage output from the rectifier. If the battery isn't charging, check the charging voltage, which should be adjusted via VR201 to stay under 14.7V.
The device contains a rechargeable Lithium or NiMH battery. Avoid shorting the battery terminals. carewell ecg 1101 service manual fix
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Open the casing and trace the AC lines to the input of the internal power supply board. Carefully measure the AC input voltage. Next, measure the DC outputs leading to the mainboard. You should typically find a +12V DC rail for the thermal printer and charging circuit, alongside +5V and +3.3V rails for the digital logic circuits. If AC input is present but DC rails are dead, replace the SMPS module. Symptoms: Unit Works on AC but Dies Instantly on Battery
Check the patient cable for internal wire breaks. Flex the cable near the connectors while watching the screen to see if a specific lead breaks contact.
The 1101 series uses a high-resolution matrix thermal printer. ECG-1101 - Stomdevice This typically indicates a display-related hardware issue
The backlight turns on, but no characters or waveforms appear, or the screen shows corrupted lines. Diagnosis & Fixes
This guide is for trained professionals. ECG devices involve patient electrical safety (IEC 60601). Do not attempt repairs on defibrillator-connected leads or internal high-voltage capacitors without proper training.
Power failures are among the most frequent issues reported by biomedical technicians. The Carewell ECG 1101 operates on both AC power and a rechargeable internal lithium battery. The Machine Will Not Turn On (No Power)
While the Carewell ECG 1101 is a reliable device, it's not immune to technical issues. Some common problems users may encounter include: Battery icon flashes constantly or indicates it is
If the machine keeps indicating "Paper Out" despite having paper, the paper sensor may be dirty or faulty. 2. Technical Repair Procedures (Service Manual Fix)
If a specific white line remains permanently on the printout after cleaning, individual dots on the thermal array are burned out. The thermal print head assembly must be replaced.
Ensure the thermal printer head is clean and that the paper is loaded in the correct direction. Abnormal Paper Speed:
(Not all revisions have this – confirm via button combinations.)
Электрокардиограф ЭКГ-1101 - StomShop.pro