Sharp AX-GX2T(R), Руководство по обслуживанию

Страница: 26 / 60

6 – 9
[8] Check and remedy in the event of malfunction
1. List
I Before starting the P.W.B. unit replacement, make sure to refer to “Before replacing the Printed Wiring Board” in page 2-2.
Operation Trouble
YES:
Action
Even
with plug-
ged in
When
heating
operation
started
No display
Is there a voltage of about 110V between the oven lamp terminals.
YES: Replace the oven lamp.
NO: Replace the control unit.
Has the harness between the control unit (CN-D) and the display unit (WH-A) been connected?
NO: Connect the harness.
The door switch is in the door open position (Even with the door closed, the oven lamp does not go out.).
YES: Adjust the door switch.
NO: Replace the control unit or display unit.
Is there a voltage of 110V for the AC fan or 24 V for the DC fan?
YES: Replace the fan motor.
NO: Replace the control unit.
YES: Adjust the latch.
NO: The latch switch is in the door open position.
The rotary knob does not
function.
No sound
The " ˴˴˴˴ " key
does not function.
Is there a voltage of about 110V between the tube pump motor terminals.
YES: Replace the pump unit assembly.(Check the tube pump motor.)
NO: Replace the control unit.
The tube pump motor does
not run.
Has the water tank been inserted all the way?
NO: Insert the water tank or replace the tank or the tank spring.
Replace the control unit. Reset occurs.
Is there a voltage of about 110V between the terminals of each of the engine heater and convection heater?
Replace the engine unit assembly (when the engine heater does not function.
Replace the convection heater (when the convection heater does not function).
The engine heater does not
function.
The convention does not
function.
The fan motor does not run.
The oven lamp does not il-
luminate.
(Note that the lamp
goes out after three (3) minutes
from opening the door.)
(Note that the lamp is off during
fermention mode.)
No backlight for display
illuminates
No key is valid.
Even with the water tank filled
with water, "
" is
indicated and heating does not
start.
Has the oven been not operated for 1~30 minutes or more?
Others
NO: Replace the control unit.
Replace the display unit.
Replace the display unit.
Replace the display unit.
YES: Open and close the door.
NO: Has the fuse 20A blown?
YES: Refer to "Check in the event of 20A fuse blowing".
NO: Check the display unit, fan motor thermal cut-out,
convection thermal cut-out and engine thermal cut-out.
YES: Replace the control unit or display unit.
YES: Replace the WL joint or the control unit.
YES: Do not use distiled water (ion charged water/ pure water) or Ro water.
Use water suitable for drinking (filtered).
Note 2. If the engine unit is replaced, carry out "Treatment after engine unit replacement". (See page 7-5.)
Note 1. If the display unit is replaced, carry out " ࠢࠛࡦ㉄ᵞᵺ (citrate washing)". (See page 4-7.)