Thermo Scientific OGS 100, Operating Instructions Manual

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Thermo Scientific Heratherm 12-1
12
Error Codes
Table 12-1 below lists the error messages that may appear in the control panel display window
(see “Error Log” on page 7-9 ) and provides instructions for clearing such alarms.
Table 12-1 Heratherm Oven Error Codes
Error Message & Code Root Cause Alarm Response
Alarm Clearing Instructions
1
Display Error (E002) Display communication
error. The built-in control-
ler was unable to restore
communication with the
control panel. Audible alarm activated,
alarm relay energized,
message shown on dis-
play. Reset after 30 s. Power cycle the device by
unplugging, then recon-
necting the power cord. If
this doesn’t solve the
problem, call service.
Mirrored Parameter
Loaded (E003) The controller was unable
to read the user-specific
settings and had to resort
to an emergency parame-
ter set held in mirrored
storage. Audible alarm activated,
alarm relay energized.
Fallback to mirrored
parameter storage.
Device continues to run
without loss of functional-
ity, including user-specific
settings. Check the latest settings,
for example the set value.
Factory Parameter
Loaded (E004) The controller was unable
to read the mirrored
parameter set and had to
resort to factory-preset
parameters. Fallback to factory-preset
parameters. Audible alarm
activated, alarm relay
energized, message
shown on display. User-
specific settings may be
lost - for example, the
temperature display unit
preference, or user pro-
grams. Acknowledge by pressing
. Re-enter customer-
specific settings
.
Default Parameter
Loaded (E005) The controller was unable
to read the factory-preset
parameters and had to
resort to default settings Fallback to default param-
eters. Audible alarm acti-
vated, alarm relay
energized, message
shown on display. The
device is completely inop-
erative. Call service.
Power Down Error
(E007)
Power has been cut off
(power outage) while the
device was running. Audible alarm activated,
alarm relay energized,
message shown on dis-
play. Check the power sup-
ply.
Power up then
device, then acknowledge
the alarm by pressing
.