RHapid-Cal Humidity Generator
Error Messages
39
Problem Possible
Cause
Solution
Cannot reach the
very low humidity
levels, for
example 7 %.
Check Desiccant
indicator on front
panel may be on.
Desiccant cartridge needs to be
replaced.
Shut off power, open the desiccant
cartridge. Inspect. Replace if the
normally blue cartridge material is pink.
Door not properly sealed, causing a
leak.
Tighten door.
UUTs are not adequately sealed
within its port.
Check to see that the appropriate
grommet is used, and/or add sealant
material around the UUT probe.
Parafilm, Scotch Removable Adhesive
Putty or like material works well.
If using a chilled mirror with an
external pump and not returning the
gas sample back to the Product,
you may be drawing too much gas
from the Product.
Turn down the pump setting.
“
” stays
on longer than
usual at power-
up.
The internal humidity generator may
be overfilled.
Shut off power. Drain excess water
using the drain outlet on the back of the
Product until water level is between
Max and Min with the Product in
Standby or turned off.
Error
Messages
The product has Error Messages that show information during general use of the
Product. Error Messages are not necessarily related to the Error Codes that
follow this section. The latter indicates an internal failure that requires servicing
of the Product. Error messages are shown in Table 13.
Table 13. Error Messages
Error Message
Description
Caution
At high humidity settings, when the actual chamber temperature is within 2
°
C of
the actual chamber dew point, CAUTION appears to warn of possible
condensation conditions if subsequent settings are lower in temperature.
HI RH ERR
Usually associated with the Check Water indicator. Causes include a low water
and condensation in the system. See
Troubleshooting
for more details.
LO RH ERR
Usually associated with the Check Desiccant indicator. Causes include a saturated
desiccant and condensation within the system. See
Troubleshooting
for more
details.
