Desa CBN30T 사용자 설명서

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TROUBLESHOOTING
Continued
POSSIBLE CAUSE
1. Gas  leak.  See  Warning 
statement on page 21
2. Control valve defective
1. Foreign matter between con-
trol valve and burner
2. Gas  leak.  See  Warning 
statement on page 21
1. Not enough combustion/ven-
tilation air
OBSERVED PROBLEM
Gas odor even when control knob 
is in OFF position
Gas odor during combustion
Moisture/condensation  noticed 
on windows
REMEDY
1. Locate  and  correct  all  leaks 
(see  Checking  Gas  Connec-
tions, page 13)
2. Replace control valve
1. Take  apart  gas  tubing  and 
remove foreign matter
2. Locate  and  correct  all  leaks 
(see  Checking  Gas  Connec-
tions, page 13)
1. Refer to Air for Combustion 
and Ventilation requirements
 
(page 5)
REPLACEMENT PARTS
Note:
 Use only original replacement parts. This 
will  protect  your  warranty  coverage  for  parts 
replaced under warranty. 
PARTS UNDER WARRANTY
Contact  authorized  dealers  of  this  product.  If 
they canʼt supply original replacement part(s), 
call DESA Heating Productsʼ Technical Service 
Department at 1-866-672-6040.
When  calling  DESA  Heating  Products,  have 
ready
•  your name
•  your address
•  model and serial numbers of your heater 
•  how heater was malfunctioning
•  type of gas used (propane/LP or natural gas)
•  purchase date
Usually, we will ask you to return the part to the 
factory.
PARTS NOT UNDER WARRANTY
Contact authorized dealers of this product. If they 
canʼt supply original replacement part(s), either 
contact your nearest Parts Central (see page 30) 
or call DESA Heating Products at 1-866-672-6040 
for referral information.
When  calling  DESA  Heating  Products,  have 
ready
•  model number of your heater 
•  the replacement part number
SERVICE HINTS
When Gas Pressure Is Too Low
•  pilot will not stay lit
•  burner will have delayed ignition
•  heater will not produce specified heat
•  propane/LP gas supply may be low
You may feel your gas pressure is too low. If so, con-
tact your local natural or propane/LP gas supplier.
TECHNICAL SERVICE
You may have further questions about installation, 
operation, or troubleshooting. If so, contact DESA 
Heating Productsʼ Technical Service Department 
at 1-866-672-6040. When calling please have your 
model and serial numbers of your heater ready.
You can also visit DESA Heating Productsʼ techni-
cal service web site at 
www.desatech.com
.
SERVICE PUBLICATIONS
You can purchase a service manual from the address 
listed on the back page of this manual. Send a check 
for $5.00 payable to DESA Heating Products.