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79
30AW
Diagnostic
6
Fault code 9 – Flow Switch error / Water Pump
Pump rotates
?
Flow switch is
connected to board
?
Connect flow switch
connector to board
Perform air vent
Excess air noise comes from
inside the pump
?
Built-in pump is
connected to board
?
Connect pump
connector to board
Flow switch is
normal
?
Replace flow switch
Chattering noise comes from
flow switch
?
Replace pump
Pump stops 2-3 minutes after
its rotation started
?
Dirt clogging inside
water circuit
Remove waste
12 meters or longer water
pipe to a branch, or 5 or
less branches
Fit buffer tank and
the second pump
TR sensor characteristic is correct
?
Replace TR sensor
l
f
e
c
a
l
p
e
r
r
o
h
c
a
t
t
A
?
l
a
m
r
o
n
s
i
h
c
t
i
w
s
w
o
l
F
ow switch
Check
G.M.C. Board –
replace if defective
Flow shortage
NO
NO
NO
NO
NO
YES YES
YES
YES
YES
YES
NO
NO
YES
NO
YES
YES
NO
SM_30AW.indd 79
14-03-2011 14:45:31
Summary of Contents for 30AWH004HB
Page 30: ...30 30AW GMC control size 004HB Electrical connections 4 SM_30AW indd 30 14 03 2011 14 42 18...
Page 32: ...32 30AW GMC control size 004XB Electrical connections 4 SM_30AW indd 32 14 03 2011 14 42 24...
Page 34: ...34 30AW GMC control size 006HB Electrical connections 4 SM_30AW indd 34 14 03 2011 14 42 29...
Page 36: ...36 30AW GMC control size 006XB Electrical connections 4 SM_30AW indd 36 14 03 2011 14 42 35...
Page 38: ...38 30AW GMC control size 006NX Electrical connections 4 SM_30AW indd 38 14 03 2011 14 42 40...
Page 40: ...40 30AW GMC control size 008HB Electrical connections 4 SM_30AW indd 40 14 03 2011 14 42 45...
Page 42: ...42 30AW GMC control size 008XB Electrical connections 4 SM_30AW indd 42 14 03 2011 14 42 50...
Page 44: ...44 30AW GMC control size 008NX Electrical connections 4 SM_30AW indd 44 14 03 2011 14 42 56...
Page 46: ...46 30AW GMC control size 012HB Electrical connections 4 SM_30AW indd 46 14 03 2011 14 43 01...
Page 48: ...48 30AW GMC control size 012XB Electrical connections 4 SM_30AW indd 48 14 03 2011 14 43 07...
Page 50: ...50 30AW GMC control size 012NX Electrical connections 4 SM_30AW indd 50 14 03 2011 14 43 13...
Page 51: ...51 30AW Inverter control size 015HB SM_30AW indd 51 14 03 2011 14 43 16...
Page 52: ...52 30AW GMC control size 015HB SM_30AW indd 52 14 03 2011 14 43 19...
Page 53: ...53 30AW Inverter control size 015XB SM_30AW indd 53 14 03 2011 14 44 58...
Page 54: ...54 30AW GMC control size 015XB SM_30AW indd 54 14 03 2011 14 45 01...
Page 100: ...100 30AW Carrier interfaces 7 SM_30AW indd 100 14 03 2011 14 46 25...