Fri-Jado Deli Multisserie, Service Manual

Page: 76 / 132

Page 76
Condenser Hood
Service Manual Deli Multisserie form 9123667 rev. 20220317
Symptom Possible cause Solution
Fumes coming out of the conden-
ser hood Leaking O-rings Check and or replace the O-rings (pos. 71
and 79)
Leaking silicon hose (pos 74) Fasten the hose clamps.
Replace the hose in case it is broken
One or more axial flow ventila-
tors stopped Check voltage and wiring.
Replace ventilator if broken
Air grids at the top blocked.
See “general description” Clean or remove obstacles from grids.
External pollution of the heat
exchanger Clean the heat exchanger
Internal pollution of the heat
exchanger Replace the heat exchanger
A large amount of fumes comes
out of the oven when opening
the door at the end of the cook-
ing program. The radial flow ventilator does
not function Check the parameter “cold flush” in the
service menu. It should be adjusted at 25
sec
Check the software version. Program the
right version. Version 3.91 or higher.
Check the wiring.
Check the voltage on the ventilator.
Replace ventilator if defect
The non return valve is bloc-
ked. (see point 11 in “general
description”) Clean the valve.
Replace the silicon gasket if it is sticking.
Lubricate with “food grade” silicon
spray.
The exhaust valve is blocked.
(see position 4 in the “general
description”) Clean the exhaust valve
Blockage of the condens hoses Clean or replace the drain hoses
Clean the drain hose connection nipples
Internal blockage of the heat
exchanger Replace the heat exchanger
Water drips down from the inside
of the hood The condenser coil might be at
the end of its life time. Replace the condenser coil
Drain pipe or hose not connec-
ted or broken. Check the drain pipe and hose
TROUBLE SHOOTING HOOD