5 9
AFTER SERVICE AND WARRANTY
If a Service Call is required
Warranty Card (attached to your Oven)
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Please fill out completely and return
t h e b o t t o m p o r t i o n o f t h e w a r r a n t y
card when the unit is received. The
c o m p l e t e d t o p p o r t i o n i s y o u r
R e g i s t r a t i o n C a r d t h a t s h o u l d b e
r e t a i n e d f o r y o u r r e c o r d s .
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Warranty period is one (1) year after
t h e d a t e o f y o u r p u r c h a s e . D u r i n g
t h i s w a r r a n t y p e r i o d , w e w i l l o f f e r
free repair service on the basis of the
conditions provided on th e warranty
c a r d .
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I f y o u n e e d r e p a i r s e r v i c e a f t e r
e x p i r a t i o n o f t h e w a r r a n t y p e r i o d ,
c o n t a c t o u r s a l e s o r s e r v i c e
r e p r e s e n t a t i v e i n y o u r v i c i n i t y o r
s e r v i c e o f f i c e f o r a d v i c e .
Minimum Inventory Period of Repair
Parts
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If a problem occurs with the Drying
O v e n , r e c o r d t h e e r r o r c o d e o n t h e
d i s p l a y a n d s t o p t h e o p e r a t i o n
i m m e d i a t e l y , t u r n o f f t h e p o w e r
s w i t c h , a n d d i s c o n n e c t t h e p o w e r
plug from the receptacle. Contact
o u r s a l e s or service representative.
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Check the warranty card or the name
plate of your Drying Oven and give
u s t h e i n f o r m a t i o n b e l o w .
・
M o d e l o f y o u r o v e n ;
・
S e r i a l p r o d u c t n u m b e r o f y o u r
o v e n ;
・
D a t e o f p u r c h a s e ; a n d
・
P r o b l e m w i t h y o u r o v e n ( a s
d e t a i l e d a s p o s s i b l e ) .
Repair parts will be avai lable for
a t l e a s t 7 years after termination
of our production of D F
・
DH Fain
Oven Series. Repair parts mean
t h e p a r t s t h a t a r e n e c e s s a r y t o
maintain the performance of the
o v e n s .
TROUBLESHOOTING
Problem
Cause/Solution
T h e d i s p l a y o n t h e
c o n t r o l p a n e l i s b l a n k
when the power switch is
t u r n e d o n .
・
Check if the power cable is firmly connected to a
r e c e p t a c l e .
§
Check for power failure.
Temperature fluctuates
d u r i n g t h e o p e r a t i o n
・
Does ambient temperature fluctuate violently?
・
A r e t h e r e t o o m a n y s p e c i m ens in the chamber?
§
Are the specimens too moist?
D r y i n g t i m e i s t o o l o n g
・
D i d t h e p o w e r v o l t a g e d r o p ?
§
Did you change the aperture of the exhaust port?