TCS-NET GSM Phone Control Interface
8
Trouble Shooting
If the operation on the mobile phone is disabled or an error response is received, find the cause using the following
procedure.
After an operation SMS message is sent, a response
"AIRCON NO RESPONSE" is returned.
• The indoor unit is not powered on.
• The cable between indoor unit and TCB-
IFGSM1E is not connected properly.
When an initial registration SMS message is sent, a
response "INITIAL SET NG" is returned.
INFOTEL, SETPERMIT, or NAME is missing in the initial
registration SMS message. Or, a PIN has been set, but it
has not been entered.
After an operation SMS message is sent, a response
"INITIAL UNCOMPLETED" is returned.
The initial setting has not been made by the initial
registration SMS message.
After an operation SMS message is sent, a response
"CHARACTER SETTING ERROR" is returned.
Unregistered characters are used.
When an operation SMS message is sent, a response
"SETTING NG" is returned.
Control other than ON/OFF control (COOL, HEAT, etc.) is
requested even when HA control is specified.
No response SMS message is received after an
operation SMS message is sent.
• The operation SMS message was not sent to the
telephone number of the GSM modem.
• The destination telephone number is not set
correctly. Pay attention on whether there is "+" or "+"
+ "Country code" at the beginning of the phone
number.
• The setting permitted telephone number is not set
correctly. Pay attention on whether there is
"International access code" or "+" + "Country code"
at the beginning of the phone number.
• The GSM modem is not powered on.
• The radio wave condition of the GSM modem is bad.
• There is a problem with the GSM telephone network.
• The TCB-IFGSM1E is not powered on.
If the problem still remains after taking proper actions
for these possible causes, check the communication
between GSM modem and TCB-IFGSM1E using the
following procedure.
Set the communication parameters of the PC, connect
the PC to the TCB-IFGSM1E with the RS-232C cross
cable, and then start the GSM modem simulator
software.
• Is a response returned when operated from the PC?
• If no response is returned, check the JP1, JP2, JP3,
JP4, and SW1 settings of the TCB-IFGSM1E.
• Press SW4 to reset the MCU.
If the problem still remains after taking these actions,
replace the TCB-IFGSM1E.
Communication between the GSM modem simulator
and the TCB-IFGSM1E is successful.
No response SMS message is yet received.
Check the GSM modem operation following the
Owner's Manual of the GSM modem.
– 19 –
Installation Manual
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18-EN