Shellab SWB715-2 - Manual (Page 13)

13 Microprocessor Control Water Baths
TROUBLESHOOTING
Should the unit malfunction, use this section to determine the problem and resolution. Troubleshooting
topics include:

Temperature

Miscellaneous
Warning: These baths are not intended for use as acid baths. Use as an acid bath will cause severe
damage to bath components and void your warranty. Do not use deionized water, tap water,
or chemicals. USE DISTILLED WATER ONLY.
Attention : Ces bains d'eau ne sont pas conçus pour les acides. Utiliser un tel bain comme bain d'acide
l'endommagera gravement et annulera la garantie. Ne pas utiliser d'eau désionisée, d'eau
du robinet ni de produits chimiques. UTILISER EXCLUSIVEMENT DE L'EAU DISTILLÉE.
Temperature Troubleshooting
Problem Possible Cause Solution
Temperature too high
Insufficient
quantity of water.
Fill bath a minimum of three-fourths (3/4) full with water.
Main controller set
too high
See Setting Main Temperature Control
Main controller
failed on
Call customer service.
Display reads "HI" or "400"+
Probe is unplugged Call customer service.
Probe is broken or
wire to the sensor is
broken.
Call customer service.
Temperature spikes over set
point and then settles to set
point.
Calibration issue Recalibrate.
Temperature is too low
Over Temperature
Limit is set too low.
See Setting Main Temperature Control.
Bath temperature
not recovered from
water being added.
Wait for display to stop changing.
Unit not recovered
from power failure
or being turned off.
Bath will need a minimum of 2 hours to warm up and stabilize.
Main controller
failure
Confirm with front panel lights that controller is calling for heat.
Display reads "LO" but heating
all the time
Control failure Call customer service.
Section
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