Error Messages 5
Keysight E3633A and E3634A User’s Guide 161
-158
String data not allowed
A character string was received but is not allowed for the command. Check the 
list of parameters to verify that you have used a valid parameter type.
Example: 
TRIG:DEL ‘zero’
-160 to -168
Block data errors
The power supply does not accept block data.
-170 to -178
Expression errors
The power supply does not accept mathematical expressions.
-211
Trigger ignored
A Group Execute Trigger (GET) or 
*TRG
 was received but the trigger was 
ignored. Make sure that the trigger source should be selected to the bus and the 
trigger subsystem should be initiated by 
INIT[:IMM]
 command.
-213
Init ignored
An 
INITiate
 command was received but could not be executed because a 
measurement was already in progress. Send a device clear to halt a 
measurement in progress and place the power supply in the “idle” state.
-221
Settings conflict
Indicates that a legal program data element was parsed but could not be 
executed due to the current device state.
-222
Data out of range
A numeric parameter value is outside the valid range for the command.
Example: 
TRIG:DEL -3