Helmer QuickThaw DH8 User Manual

14 pages

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360094-1/J

OuickThaw

DH2 Version A

DH4 Version A

DH8 Version A

Model

S/N

HELMER, INC. 14395 BERGEN BLVD., NOBLESVILLE, IN 46060 USA

PHONE (317) 773-9073 FAX (317) 773-9082

USA and CANADA (800) 743-5637

www.helmerinc.com

ISO 13485:2003 CERTIFIED

Plasma Thawing System

Operation Manual

Other manuals for Helmer QuickThaw DH8

Service Manual32 pages

Questions and Answers:

P
Patricia StewartAug 9, 2025
What to do if Helmer QuickThaw DH8 shows 'E1' high temperature alarm?
- L
  Lindsay BrownAug 9, 2025
  If the 'E1' high temperature alarm appears on your Helmer Laboratory Equipment, here's what you can do: First, ensure the plasma thawer setpoint is below the high temperature alarm setpoint with at least a 1.0 °C difference. Also, make sure the chamber has water, as an empty chamber can trigger the alarm quickly. Check the power to the heater and heater triac. If necessary, replace the heater, heater triac, temperature control sensor, temperature controller, or control board, depending on where the fault lies. Finally, check all connections from the control board to the temperature controller and temperature control sensor, securing them if needed.
G
gandersonAug 17, 2025
What to do if Helmer QuickThaw DH8 shows 'E2' lift-out system malfunction?
- J
  James ButlerAug 17, 2025
  If you see an 'E2' error (lift-out system malfunction) on your Helmer Laboratory Equipment, try the following: First, reset the electronics by turning the power off for 10 seconds, then back on, and press the LIFT OUT button. For DH8 models, visually compare the faulty lift-out system with a working one to identify any loose parts blocking movement. Check the connections from the control board to the terminal strip, and from the terminal strip to the lift-out motor, lift-out motor capacitor, and microswitches, securing any loose connections. Also, check the fuse on the circuit board and replace it if it's blown. If the issue persists after these steps, further assistance may be needed.