71
Remarks
●
The fan is sending out cold air to circulate it through the compartments.
When the air is touching the surface of louver or liner wall, such sound can make.
Start
Change the fan.
N
Y
Set it right not to touch.
Y
N
Set it right not to move.
Y
N
Change the motor
assembly.
N
Y
Explain to the customers
how fan is working to
circulate cold air in the
compartments.
9-4-3. Fan Noise
Fan is damaged
or transformed ?
Fan is touching
the surround ?
Fan-motor assembly
is moving or shaking ?
Motor has its own noise
or vibration when working ?
Summary of Contents for FRS(N)-U20IA
Page 4: ...3 2 EXTERNAL VIEWS 2 1 External Size FRS N U20IA...
Page 5: ...4 FRS N U20DA FRS N U20EA...
Page 6: ...5 FRS N U20FA FRS N U20GA...
Page 41: ...40 6 1 Wiring Diagram 6 DIAGRAM FRS N U20IA...
Page 42: ...41 FRS N U20DA EA FA GA...
Page 43: ...42 6 2 Circuit Diagram of Main PCB FRS N U20IA...
Page 44: ...43...
Page 45: ...44 FRS N U20DA EA FA GA...
Page 46: ...45...
Page 88: ...87 11 5 Dispenser Water Flow...
Page 89: ...88 CABINET 12 1 FRS N U20IA 12 EXPLODED VIEW PARTS LIST...
Page 90: ...89 MECH ROOM...
Page 91: ...90 R ROOM...
Page 92: ...91 F ROOM...
Page 93: ...92 F DOOR...
Page 94: ...93 R DOOR...
Page 99: ...98 CABINET 12 2 FRS N U20DA...
Page 100: ...99 MECH ROOM...
Page 101: ...100 R ROOM...
Page 102: ...101 F ROOM...
Page 103: ...102 F DOOR...
Page 104: ...103 R DOOR...
Page 110: ...109 CABINET 12 3 FRS N U20EA...
Page 111: ...110 MECH ROOM...
Page 112: ...111 R ROOM...
Page 113: ...112 F ROOM...
Page 114: ...113 F DOOR...
Page 115: ...114 R DOOR...
Page 121: ...120 CABINET 12 4 FRS N U20FA...
Page 122: ...121 MECH ROOM...
Page 123: ...122 R ROOM...
Page 124: ...123 F ROOM...
Page 125: ...124 F DOOR...
Page 126: ...125 R DOOR...
Page 132: ...131 CABINET 12 5 FRS N U20GA...
Page 133: ...132 MECH ROOM...
Page 134: ...133 R ROOM...
Page 135: ...134 F ROOM...
Page 136: ...135 F DOOR...
Page 137: ...136 R DOOR...