151 
7.2 Analysis of alarm types 
DS5 alarm code format is E-XX□, “XX” means main type, “□” means sub-type.   
Communication 
error between 
panel and CPU 
(1) Voltage fluctuation 
of power supply is 
large, and low voltage 
leads to failure of panel 
refresh; (2) Damage of 
panel program 
(1) Stable power supply to ensure 
the stability of power supply 
voltage. 
(2) after repower on the driver, if 
the alarm cannot be removed, 
please contact the agent or the 
manufacturer. 
Firmware  version 
mismatch 
Downloaded  firmware 
version error 
Please  contact  the  agent  or  the 
manufacturer 
Please  contact  the  agent  or  the 
manufacturer 
(2) Device damage 
(3)  serious  external 
interference 
Please  contact  the  agent  or  the 
manufacturer 
Please  contact  the  agent  or  the 
manufacturer 
②hardware damaged 
③Excessive  intensity 
of external interference 
①  Check  the  input  voltage, 
whether  the  input  phase  is 
missing or the supply voltage  is 
too low 
②  Contact  agent  or 
manufacturer 
Processor 
Running Timeout 
Please  contact  the  agent  or  the 
manufacturer 
Please  contact  the  agent  or  the 
manufacturer 
Failure  of  parameter 
self-checking 
Re-energizing can restore default 
parameters, if  there are repeated 
problems,  please  contact  the 
agent or manufacturer. 
Parameter  range 
beyond limit 
Setting  values  are  not 
within  the  prescribed 
range 
Check parameters and reset them 
Conflict  of  TREF  or 
VREF  Function 
Settings 
P0-01=4,  P3-00  set  to  1  will 
alarm 
Sampling channel 
setting error   
Error setting of custom 
output  trigger  channel 
or  data  monitoring 
channel 
Check  that  the  settings  are 
correct 
Low  voltage  of  power 
grid 
(1)  If  it  is  single-phase  220V 
power supply, please connect L1 
and L3. 
(2)  show  E-024  immediately 
after power failure 
(3) Resetting parameters 
Abnormal  parameter 
preservation  during 
power failure 
please  contact  the  agent  or  the 
manufacturer 
Initialization  FLASH 
error 
Power  supply 
instability  of  FLASH 
chip 
please  contact  the  agent  or  the 
manufacturer