Mitsubishi Electric LOSSNAY LGH-F300RX5-E Handbook page 51

Checklist for PZ-52SF-E ( Table 3-2 )
No. Error
1 Nothing displays on the
LCD.
2 Continues to display
"HO" and does not start.
3 Cannot register the
Lossnay with PZ-
52SF-E or MELANS.
4 Starts or stops, or the
display changes, by itself.
5 Displays an error code
that is not in the checklist.
6 Cannot stop Lossnay
with the remote con-
troller. ("CENTRAL" is
displayed)
Note: PZ-60DR-E and PZ-52SF-E cannot be used in the same group.
Cause
 Transmission cable is connected to the
wrong terminal block.
 There is no power supply unit (for Lossnay
only systems).
 The power supply unit is not turned on.
 Transmission cable is not securely connected.
 Wiring length of the transmission cable from the
power supply unit or the outdoor unit is longer than
specified (maximum extension 219 yd. (200 m)).
 It is less than 10 minutes since the power
was supplied to the system.
 Group setting (registration) has not been
performed.
 The PZ-52SF-E address has not been regis-
tered in the group setting by MELANS.
 Power supply to the Lossnay is not turned on.
 Power that does not follow specifications is used.
 Transmission cable is connected to the
wrong terminal of the Lossnay unit.
 Lossnay address was changed.
 Lossnay circuit board was replaced.
 The length of the transmission cable wiring
is longer than specified (longer than maxi-
mum extension 219 yd. (200 m), longer than
547 yd. (500 m) between ends).
 Power is not supplied to Lossnay.
 Power that does not follow specifications is used.
 Transmission cable to the Lossnay is not
connected.
 Transmission cable is connected to the
wrong terminal of the Lossnay unit.
 Lossnay address was changed.
 The length of the transmission cable wiring
is longer than specified (longer than maxi-
mum extension 219 yd. (200 m), longer than
547 yd. (500 m) between ends).
 The Lossnay unit is set for interlock opera-
tion with City Multi.
 Liquid crystal display characters on the
remote controller are missing.
 Operation of the remote controller has been
prohibited by MELANS.
 "INTERLOCK MODE" is set to "oUT" (exter-
nal input given priority).
 Remote/local switching (CN32) is set to
"Remote."
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Action
 Check the transmission cable
connection (TB5 A , B for M-NET
transmission cables).
 Install the power supply unit.
 Check the power to the power supply unit.
 Check the transmission cable connection.
 Check the length of the transmission
cable wiring. (See the technical manu-
al for details about the regulations.)
 After supplying power to the system,
"HO" blinks for a maximum of about
10 minutes. (This is not an error.)
 Perform the group setting (regis-
tration). If using MELANS, register
with the MELANS. If there is only
PZ-52SF-E, register with it.
 Check the group setting with the
MELANS.
 Check the power supply to Lossnay.
 Check the power supply.
 Check the transmission cable
connection (TB5 A ,
transmission cables).
 Check the Lossnay address.
 If the circuit board has been
replaced, perform the group set-
tings again.
 Check the length of the transmis-
sion cable wiring. (See the tech-
nical manual for details about the
regulations.)
 Check the power supply to Lossnay.
 Check the power supply.
 Check the transmission cable
connection.
 Check the transmission cable
connection (TB5 ,
A
transmission cables).
 Check the Lossnay address.
 Check the length of the transmis-
sion cable wiring. (See the tech-
nical manual for details about the
regulations.)
 Cancel the interlock mode set-
ting.
 Replace the remote controller.
 Check the settings of the
MELANS.
 Check the interlock mode setting.
(Refer to page 24)
 Check the remote/local switching
(CN32). (Refer to page 27)
B for M-NET
for M-NET
B