User Manual California Instruments
178 CSW Series
Number Message String Cause Remedy
2 "Current limit fault"
Current limit
exceeded.
Load exceeds current limit and unit is
in Constant Voltage (CV) mode of
operation. Reduce load or increase
CL setting
3 "Temperature fault"
Temperature of heat
sink too high.
Reduce load. Ensure proper air flow
and exhaust clearance. Check fan(s)
for operation.
4 "External sync. error"
Could not sync to
external sync signal.
External sync signal missing,
disconnected or out of range.
5 "Initial memory lost"
Power on settings
could not be recalled.
Save power on settings again to
overwrite old content.
6 "Limit memory lost"
Hardware
configuration settings
lost.
Contact CI service department at
support@calinst.com to obtain
instructions on restoring configuration
data.
7 "System memory lost" Memory corrupted. Recycle power.
8
"Calibration memory
lost"
Calibration data lost.
Contact CI service department at
support@calinst.com to obtain
instructions on restoring calibration
data or recalibrate unit.
9
"Start angle must be
first sequence"
Start phase angle in
wrong place..
Start phase angles can only
programmed at the start of a transient
list. Once a transient is in progress,
phase angle cannot be changed.
10 "Illegal for DC"
Operation not
possible in DC mode.
Switch to AC or AC+DC mode.
11 "Duplicate sequence" N/A N/A
12 "Too many sequence" N/A N/A
13
"Missing list
parameter"
One or more
transient list
parameters missing.
Check programmed lists.
14 "Voltage peak error "
Peak voltage
exceeds internal bus
voltage
This error may occur when selecting
user defined wave shapes with higher
crest factors. Reduce programmed
RMS value.
16
"Illegal during
transient"
Operation requested
not available while
transient is running.
Wait till transient execution is
completed or abort transient
execution first.
17
"Output relay must be
closed"
Operation not
possible with open
relay
Close relay before attempting
operation. E.g. transient execution
requires output relay to be closed.
18
"Trans. duration less
then 1msec"
Dwell time below
minimum or 1 msec
Increase dwell time to at least 1
msec.
19
"Clock and sync must
be internal"
Operation not
possible with external
clock
Switch to internal sync. (Default)
20 "Input buffer full"
Too much data
received.
Break up data in smaller blocks.
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