Gree GWH09TB-S3DNA1D/I - Page 54

51
Service Manual
Installation and Maintenance
Appearance of
the jumper cap
Troubleshooting for C5
malfunction
Is there jumper cap on the
mainboard ?
Is
the jumper cap inserted
correctly and
tightly
?
Replace the jumper cap
withthe same model
End
Yes
Yes
Assemble the jumper
cap with the same
model
No
Is ma lfunction
elim inated
No
Yes
Insert the
jumper cap
tightly
Is malfunction
elimin ated
No
No Yes
Is malfunction
eliminated
No
Yes
Replace the mainboard
with the same model.
3. Malfunction of Protection of Jumper Cap C5