User guide
Unidrive SP Short Form Guide 115
Issue Number: 2 www.controltechniques.com
Safety 
Information
Product 
Information
Mechanical 
Installation
Electrical 
Installation
Getting Started Basic parameters
Running the 
motor
SMARTCARD
Advanced 
parameters
Diagnostics
UL Listing 
Information
SCL Drive RS485 serial comms loss to remote keypad
30
Refit the cable between the drive and keypad
Check cable for damage
Replace cable
Replace keypad
SLX.dF Solutions Module slot X trip: Solutions Module type installed in slot X changed 
204, 209, 
214
Save parameters and reset
SLX.Er Solutions Module slot X trip: Solutions Module in slot X has detected a fault 
202, 207, 
212
Check value in Pr 15/16/17.50. See the Diagnostics section in the relevant Solutions Module 
User Guide for more information.
SLX.HF Solutions Module slot X trip: Solutions Module X hardware fault 
200, 205, 
210
Ensure Solutions Module is installed correctly
Return Solutions Module to supplier
SLX.nF Solutions Module slot X trip: Solutions Module has been removed 
203, 208, 
213
Ensure Solutions Module is installed correctly
Re-fit Solutions Module
Save parameters and reset drive
SL.rtd
Solutions Module trip: Drive mode has changed and Solutions Module parameter routing 
is now incorrect 
215
Press reset.
If the trip persists, contact the supplier of the drive.
SLX.tO Solutions Module slot X trip: Solutions Module watchdog timeout 
201,206,21
1
Press reset.
If the trip persists, contact the supplier of the drive.
t038
User trip defined in 2
nd
 processor Solutions Module code
38 SM-Applications program must be interrogated to find the cause of this trip
t040 to t089
User trip defined in 2
nd
 processor Solutions Module code
40 to 89 SM-Applications program must be interrogated to find the cause of this trip
t099
User trip defined in 2
nd
 processor Solutions Module code
99 SM-Applications program must be interrogated to find the cause of this trip
t101
User trip defined in 2
nd
 processor Solutions Module code
101 SM-Applications program must be interrogated to find the cause of this trip
t112 to t160
User trip defined in 2
nd
 processor Solutions Module code
112 to 160 SM-Applications program must be interrogated to find the cause of this trip
t168 to t174
User trip defined in 2
nd
 processor Solutions Module code
168 to 174 SM-Applications program must be interrogated to find the cause of this trip
t216
User trip defined in 2
nd
 processor Solutions Module code
216 SM-Applications program must be interrogated to find the cause of this trip
th Motor thermistor trip 
24
Check motor temperature
Check thermistor continuity
Set Pr 7.15 = VOLt and reset the drive to disable this function
thS Motor thermistor short circuit
25
Check motor thermistor wiring
Replace motor / motor thermistor
Set Pr 7.15 = VOLt and reset the drive to disable this function
tunE* Autotune stopped before completion
18
The drive has tripped out during the autotune
The red stop key has been pressed during the autotune
The SAFE TORQUE OFF signal (terminal 31) was active during the autotune procedure
Trip Diagnosis










