How to resolve 'Suck longer' message on Dräger Safety Equipment?
- LleblancchristinaSep 12, 2025
If the Dräger Safety Equipment displays 'Suck longer!', it means the breath sample has been sucked too short. Repeat the test, sucking longer this time.

How to resolve 'Suck longer' message on Dräger Safety Equipment?
If the Dräger Safety Equipment displays 'Suck longer!', it means the breath sample has been sucked too short. Repeat the test, sucking longer this time.
How to fix Dräger Safety Equipment when it says 'Check cable and reconnect'?
If the Dräger Safety Equipment displays 'Check cable and reconnect!', it means there is no connection between the handset and control unit. Check the plugs of the connecting cable and reconnect them to the handset and control unit. If the error message reappears, further assistance is needed.
What does 'Handset error' mean on Dräger Safety Equipment?
If the Dräger Safety Equipment displays 'Handset error', it indicates a fault on the handset. Try switching the ignition off and on, then repeat the test. If the error message reappears, further assistance is needed.
Why is there no display message on my Dräger Safety Equipment handset?
If there is no display message on the Dräger Safety Equipment handset, it indicates no connection between the handset and control unit. Check the connecting cable plugs, disconnect the plug from the handset, and reconnect it. If no messages are still shown, further assistance is needed.
What to do if Dräger Safety Equipment shows 'Control unit error'?
If the Dräger Safety Equipment displays 'Control unit error', it indicates an error in the control unit. Try switching the ignition off and on, then repeat the test. If the error message reappears, further assistance is needed.
How to fix 'Low Temperature' error on Dräger Safety Equipment?
If the Dräger Safety Equipment displays 'Low Temperature', it means the handset temperature is too low. Detach the handset and take it to a place with a moderate temperature. Connect the handset again and perform the test.
What does 'Service lockout' mean on Dräger Safety Equipment?
If the Dräger Safety Equipment displays 'Service lockout', it means the service interval has expired. Contact an authorized Dräger Interlock service center.
Why does Dräger Safety Equipment detect flow during warm-up?
If the Dräger Safety Equipment detects flow during warm-up, it means a breath sample was blown too early. Deliver the breath sample when requested by the instrument.
What does 'Suck after Blow' mean on Dräger Safety Equipment?
If the Dräger Safety Equipment displays 'Suck after Blow', it means the breath sample was not delivered correctly by blowing and sucking. Repeat the test, blowing and immediately afterwards sucking.
What to do if Dräger Safety Equipment says 'Blow softer'?
If the Dräger Safety Equipment displays 'Blow softer!', it means the breath sample was blown too hard. Repeat the test, blowing softer this time.
| Data Logging | Yes |
|---|---|
| Device Type | Alcohol Tester |
| Technology | Electrochemical |
| Measurement Principle | Electrochemical |
| Response Time | < 5 seconds |
| Humidity Range | 10 to 95 %RH, non-condensing |
| Power Supply | Rechargeable battery |
| Display | LCD |
| Alarm | Audible and visual |
General safety statements and precautions for using the Dräger Interlock product.
Detailed explanation of how the Dräger Interlock 5000/7000 operates and its features.
Defines the primary purpose of the Dräger Interlock 5000/7000 as a breath alcohol measuring instrument.
Instructions and warnings related to the installation of the Dräger Interlock system.
Step-by-step guide on how to perform a breath alcohol measurement.
Troubleshooting common display errors and their potential causes.
Resolving issues related to breath sample quality and delivery during measurements.
Addressing errors like 'Test failed', low/high temperatures, or service requirements.
Information on calibration procedures, frequency, and service interval notifications.
Adjustable settings for test results display, breath test volume, and restart period.











