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3.Troubleshooting
Temp. Control System troubleshooting
Conditions
Cause
Solutions
Switch on power, indication light
doesn’t light
a. no current input
b. loose socket
c. unstable voltage input
d. fuse bounce
e. switch indication light
doesn’tlight
f. power cord broken or poor
connection
a. check power supply system
b. plug firmly or replace socket
c. check power, stop using
d. check voltage ,resect
e. replace switch
f. repace power cord
Heat after setting indication light
(Out light)no light
a. internal chamber actual temp.
higher than setting temp.
b. PT platinum damage
c. thermal meter output
message… no
a. wait for heat down or cooling
b. Replace
c. ask for repair & maintenance
Heat light on but temp unable to go
up( AL1)
a. heat wire broken
b. heater loop not good
c. control circuit not good
d. overheat protection set&lock
e. float ball water lever
insufficient (if with water bath)
a. ask for repair & maintenance
b. ask for repair & maintenance
c. ask for repair & maintenance
d. reset
e. fill water
Heat light on but temp unable to go
up
a. Temp. controller out of
control
b. heat loop out of control
c. P、I、Dvalue inaccurate
d. S.S.R. short circuit
a. ask for repair & maintenance
b. ask for repair & maintenance
c. Re-auto calculation
d. ask for repair & maintenanc
