Constant temperature and humidity chamber, also known as constant temperature and humidity test chamber, is a sophisticated high-end instrument. There are thousands of internal and small parts, and sometimes the cause of a certain part makes the whole machine unable to start. With this set of fault analysis manuals provided by Beijing Yashilin, you can also become a constant temperature and humidity chamber expert.
Symptom: The whole machine can not start
Troubleshooting and solutions:
A. Whether the connection is good
a reconnect
B. Whether the main switch contact is good / whether it is burnt or damaged
b Repair / replacement
C. Whether the contactor or relay contact is good / whether it is burnt or damaged; whether the instrument over-temperature setting is correct / whether it is burnt or damaged
c reset / replace
D. Whether the phase sequence connection of the power inlet (phase sequence relay) is correct / whether it is burnt or damaged
d Reconnect / replace
E. Whether the pressure adjustment of the pressure controller is correct / whether it is burnt or damaged
e readjustment / replacement
F. Whether the connection without heating wire is good
f reconnect
G. Whether the meter display is normal / whether there is output
g Repair / Replace
H. Is the instrument setting of the constant temperature and humidity test chamber correct?
h reset
I. Whether the blower switch is on / whether it is burnt or damaged / whether the contactor is connected or burnt out
i restart / replace
J. Whether the heating switch is on / whether the contact is good / whether it is burnt or damaged
j open / repair / replace
K. Whether there is output of the actuator (contactor, relay, thyristor, solid state relay);
k replacement
L. Is the actuator (heating tube, heating wire) burned or damaged?
l Replacement
M. Whether the control of controller, regulator, electric contact thermometer is good / whether it is burnt or damaged
m Repair / Replace
N. Whether the display / control of the uncontrolled heating instrument is normal
n Repair / Replace
O. Is the meter setting correct / is it manual output
o reset
P. Whether the actuator contactor, relay contacts are stuck or burnt out / silicon controlled rectifier, whether the solid-state relay breaks down
p replacement
Q. Is the heating element of the actuator and the heating wire on the ground?
q Repair / Replace
One book is in hand, and you can use it without worry. If you encounter problems that cannot be solved by referring to the above content during use, you can call our after-sales service hotline at any time.
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