# WP85 - radio no signal - how to debug
**URL:** https://forum.legato.io/t/wp85-radio-no-signal-how-to-debug/185
**Category:** Legato Application Framework
**Created:** [February 2, 2016, 5:04pm UTC](https://forum.legato.io/t/wp85-radio-no-signal-how-to-debug/185 "2016-02-02T17:04:42Z")
**Posts on this page:** 6
**Page:** 1
### Author:  [@johnofleek](https://forum.legato.io/u/johnofleek)
#### Post date: [February 2, 2016, 5:04pm UTC](https://forum.legato.io/t/wp85-radio-no-signal-how-to-debug/185/1 "2016-02-02T17:04:42Z")
I don’t know how to get the radio to find a network - any ideas
Thanks
John
legato version : 15.10.1.Beta\_8a9901b7a5e68b6d3d5222de79540221
Firmware Version: SWI9X15Y\_07.05.01.00 r30585 CARMD-EV-FRMWR1 2015/12/08 01:28:58
Bootloader Version: SWI9X15Y\_07.05.01.00 r30585 CARMD-EV-FRMWR1 2015/12/08 01:28:58
Linux Version: 3.14.29ltsi-bfda7d39c8\_b6c4f16553 #2 PREEMPT Tue Dec 8 04:11:15 PST 2015
Trying with command line tools on target
> [@](#):
>
> root@swi-mdm9x15:~# cm sim
> SIM card is inserted and unlocked (LE\_SIM\_READY).
>
> root@swi-mdm9x15:~# cm data
> Index: 0
> APN: orangeinternet
> PDP Type: IPV4
> Connected: no
>
> root@swi-mdm9x15:~# cm radio
> Current Network Operator:
> Status: Not registered and not currently searching for new operator (LE\_MRC\_REG\_NONE)
> Signal: No signal strength (0)
>
> root@swi-mdm9x15:~# cm radio on
>
> root@swi-mdm9x15:~# cm temp
> Radio temperature: 31
> Platform temperature: 34
Trying with microcom on the target WP85
[quote]root@swi-mdm9x15:~# microcom /dev/ttyAT
AT+CFUN?
+CFUN: 0
AT+CSQ
+CSQ: 99,99
[/quote]
---
### Author:  [@JayM2M](https://forum.legato.io/u/JayM2M)
#### Post date: [February 2, 2016, 5:22pm UTC](https://forum.legato.io/t/wp85-radio-no-signal-how-to-debug/185/2 "2016-02-02T17:22:57Z")
Hi,
If AT+CFUN? returns 0 then it means that the radio modem is off (airplane mode).
Try this command:
```auto
cm radio on
```
Your issue may also come from a mistake during the upgrade procedure (e.g. if you don’t install the customer configuration before the carrier configuration, or if you have installed the wrong customer configuration).
Jay
---
### Author:  [@johnofleek](https://forum.legato.io/u/johnofleek)
#### Post date: [February 2, 2016, 6:08pm UTC](https://forum.legato.io/t/wp85-radio-no-signal-how-to-debug/185/3 "2016-02-02T18:08:21Z")
The radio was commanded on (checked twice) so it must be something to do with the upgrade procedure.
How do I fix this if it was the upgrade procedure which went wrong and now the radio won’t work?
cm radio on causes this log entry
`Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=unknown | mem.c InitPool() 276 | Memory pool name 'framework.hashMap_refPathIteratorMap' is truncated to 'framework.hashMap_refPathIterat'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.hashMap_refEventHandlers' is truncated to 'framework.hashMap_refEventHandl'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.MessagingClientInterfaces' is truncated to 'framework.MessagingClientInterf'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.hashMap_refHandlersRef' is truncated to 'framework.hashMap_refHandlersRe'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.hashMap_MessagingServices' is truncated to 'framework.hashMap_MessagingServ'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.hashMap_MessagingClients' is truncated to 'framework.hashMap_MessagingClie'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.hashMap_refle_cfg_ClientHandler' is truncated to 'framework.hashMap_refle_cfg_Cli'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.msgs-9dc5b2438c9592bf35478c68b2' is truncated to 'framework.msgs-9dc5b2438c9592bf'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.hashMap_refle_mrc_ClientHandler' is truncated to 'framework.hashMap_refle_mrc_Cli'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.msgs-ca1c170826fa1edb229a6702b7' is truncated to 'framework.msgs-ca1c170826fa1edb'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.hashMap_refle_mdc_ClientHandler' is truncated to 'framework.hashMap_refle_mdc_Cli'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.msgs-b88cd774c9bac2e328b6785d09' is truncated to 'framework.msgs-b88cd774c9bac2e3'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.hashMap_refle_sim_ClientHandler' is truncated to 'framework.hashMap_refle_sim_Cli'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.msgs-0c4ec58b1c9ff3e85677283dca' is truncated to 'framework.msgs-0c4ec58b1c9ff3e8'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.hashMap_refle_sms_ClientHandler' is truncated to 'framework.hashMap_refle_sms_Cli'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.msgs-09394d05f16dba6500031c4eb0' is truncated to 'framework.msgs-09394d05f16dba65'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.hashMap_refle_info_ClientHandle' is truncated to 'framework.hashMap_refle_info_Cl'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.msgs-e47dd08576ff6f3b27ca8046bb' is truncated to 'framework.msgs-e47dd08576ff6f3b'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.hashMap_refle_adc_ClientHandler' is truncated to 'framework.hashMap_refle_adc_Cli'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.msgs-c36bbe32432b36118cf22eeaaf' is truncated to 'framework.msgs-c36bbe32432b3611'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.hashMap_refle_temp_ClientHandle' is truncated to 'framework.hashMap_refle_temp_Cl'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.msgs-2d9746d3c350baa742975addb1' is truncated to 'framework.msgs-2d9746d3c350baa7'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.hashMap_refle_ips_ClientHandler' is truncated to 'framework.hashMap_refle_ips_Cli'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.msgs-ebcbcf0f5b3e66df4b439fc734' is truncated to 'framework.msgs-ebcbcf0f5b3e66df'
Jun 17 17:17:10 swi-mdm9x15 user.warn Legato: -WRN- | cm[21759]/framework T=main | mem.c InitPool() 276 | Memory pool name 'framework.msgs-LogControlProtocol' is truncated to 'framework.msgs-LogControlProtoc'
Jun 17 17:17:10 swi-mdm9x15 user.err Legato: =ERR= | modemDaemon[579]/le_pa T=main | swiQmi.c swiQmi_CheckResponseCode() 690 | Sending QMI_DMS_SET_OPERATING_MODE_REQ_V01 failed: rc=0 (), resp.result=1, resp.error=0x0053`
---
### Author:  [@JayM2M](https://forum.legato.io/u/JayM2M)
#### Post date: [February 3, 2016, 9:18am UTC](https://forum.legato.io/t/wp85-radio-no-signal-how-to-debug/185/4 "2016-02-03T09:18:03Z")
Hi,
You can retry to upgrade again by following all the steps in the good order:
[legato.io/legato-docs/15\_10/ … \_10\_1.html](http://www.legato.io/legato-docs/15_10/legatoUpgrade15_10_1.html)
But prior to that, check the position of the W\_DISABLE\_N signal on your mangOH board.
It is the switch #3 of SW401: its position must be OFF:
[attachment=0]W\_DISABLE\_N.png[/attachment]
See the table 3-4 in the mangOH User Guide.
Jay
---
### Author:  [@johnofleek](https://forum.legato.io/u/johnofleek)
#### Post date: [February 3, 2016, 9:45am UTC](https://forum.legato.io/t/wp85-radio-no-signal-how-to-debug/185/5 "2016-02-03T09:45:52Z")
Hi Jay
Many thanks - I have 2 boards - on both of them W\_DISABLE\_N was ON - changing this to OFF fixed the issue
My original v1 User guide says this ( the opposite to your correct instructions 😃 )
```auto
W_DISABLE_N 3 On Enable RF power
Off Disable RF power
```
The latest mangoh manual I can find is this
[mangoh.io/docs/4117164%20mangOH% … e%20v2.pdf](http://mangoh.io/docs/4117164%20mangOH%20User%20Guide%20v2.pdf)
The instructions are correct but there doesn’t seem to be a good drawing like yours and table 3-4 is Ethernet LED indicators.
Is there another mangoh manual I should be using?
---
### Author:  [@JayM2M](https://forum.legato.io/u/JayM2M)
#### Post date: [February 3, 2016, 12:12pm UTC](https://forum.legato.io/t/wp85-radio-no-signal-how-to-debug/185/6 "2016-02-03T12:12:14Z")
My mistake, on “mangOH User Guide v2” it is Table 3-9.
My drawing has been made using an old version of the gerber files.
Jay