23.3.2005
Rev. 1.0
Troubleshooting
32
TROUBLE
POSSIBLE CAUSES
WHAT TO DO
FOR
THE
USER
FOR THE MAINTENANCE
TECHNICIAN
Pilot flame stays lit,
but main burner
won’t light:
pressure drop in gas
pipe;
contact the gas utility company;
burner nozzle is
clogged;
clean the burner nozzle or replace it
(see chapter "Replacing main burn-
er nozzles" in section "Adjustment
instructions");
gas valve faulty;
replace the gas valve (see chapter
"Replacing the gas valve"
in sec-
tion
"Service"
).
The safety thermostat
trips:
oil in the tank has
dropped below the min-
imum level;
top the oil up to the rated level;
operating thermostat
damaged or setting
wrong;
replace the gas valve (see chapter
"Replacing the gas valve"
in sec-
tion
"Service"
).
Oil temperature can’t
be adjusted:
operating thermostat
damaged or setting
wrong;
replace the gas valve (see chapter
"Replacing the gas valve"
in sec-
tion
"Service"
).
Too much foam
builds up while fry-
ing:
product to be fried has
high moisture content;
dry it (see chapter
"Frying"
in
section
"Operating instruc-
tions"
).
old oil (overused);
change it (see chapter
"Frying"
in section
"Operating instruc-
tions"
);
product quantity ex-
ceeds the recommended
load.
Summary of Contents for 72/02FRG
Page 2: ......
Page 28: ...23 3 2005 Rev 1 0 Installation 24...
Page 34: ...23 3 2005 Rev 1 0 Adjustment instructions 30...
Page 38: ...23 3 2005 Rev 1 0 Spare parts 34...
Page 40: ...23 3 2005 Rev 1 0 Spare parts 36...
Page 42: ...23 3 2005 Rev 1 0 Spare parts 38...
Page 44: ...23 3 2005 Rev 1 0 Spare parts 40...
Page 46: ...23 3 2005 Rev 1 0 Spare parts 42...
Page 48: ...23 3 2005 Rev 1 0 Spare parts 44...
Page 50: ...23 3 2005 Rev 1 0 Technical specifications 46...
Page 51: ...23 3 2005 Rev 1 0 Technical specifications 47 Installation drawing 72 02FRG...
Page 52: ...23 3 2005 Rev 1 0 Technical specifications 48 Installation drawing 73 02FRG...
Page 56: ...NBG_0700FR_uen11 pdf...
