mrclab PGI-850H, User Manual

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Temperature tolerance is large a. Temperature is unstable
b. P、I、D value is not set or not
correct
c. Temperature is setting is too
close to room temperature
d. circulating fan or motor
cannot work
e. PT platinum bad connection
f. Air circulation inside is
blocked
a. suspend for 30 minus
b. Re-calculating AT
automatically
c. Add cooling system or dropping
ambient temperature e
d. ask for repair
e. ask for repair
f. improve article placement
H U M I D I T Y C O N T R O L S Y S T E M T R O U B L E S H O O T I N G
PLEASE USE RO WATER OR DISTILLED WATER
Condition Cause Solution
Switch on power,
Indication light does
not light
a. no current input
b. loose socket
c. unstable voltage input
d. fuse bounce
e. switch indicated light doesn’t light
f. power cord broken or poor contact
a. check power supply system
b. plug firmly or replace socket
c. check power, stop using
d. check voltage, reset
e. replace switch
e. replace power cord
After humidity
setting, humidity
light doesn’t light
(OUT light)
a. internal actual humidity higher than setting
humidity
b. un-act humidity or transformer break
c. humidity meter output message..no
a. await reduce humidity,
cooing, deforst
b. ask for repair & maintenance
c. ask for repair & maintenance
Heat lights, but
humidity unable to
go up
a. shaking plate damage or aging (consumables)
b. heat loop not good, fuse burn out
c. control circuit not good, air motor damage
a. ask for repair & maintenance b.
ask for repair & maintenance
c. ask for repair & maintenance