Mitel 5603 Wireless Handset User Guide
Display shows | Probable cause | Action or comment |
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Enter PIN code | The handset’s lock is activated. | Enter the required PIN code. If PIN |
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| code lost enter new via PDM or do |
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| a factory reset via PDM. |
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Battery low, charge now | The battery level is low. | Charge or replace the battery. |
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Phonebook is not | The phonebook does not respond, not | Try again later or if fault persists do |
available at the moment. | available at the moment. | a factory reset via admin menu or |
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| PDM. |
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Voice mail number not | There is no Voice mail number | Define a Voice mail number via |
defined | defined in the handset. | PDM. |
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Could not encrypt | The parameter "Encryption Required" | 1. Disable the "Encryption |
connection | is enabled in the handset in | Required" parameter in |
| combination with; | handset; and/or, |
| 1. Unencrypted base station(s); | 2. Enable the encryption in the |
| and/or, | base station(s); and/or, |
| 2. Unsupported base station(s). | Note: If base station(s) is used, |
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| the software version must be 3.1.x |
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| or later. |
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| 3. Use supported base station(s). |
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| Ask your supplier. |
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| Page 2 of 2 |
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LED Error Indications
See also chapter “LED Indications during Easy Replacement” on page 57.
LED is flashing red, quick flash, (100 ms on, 800 ms off)
1.If a third handset, that is another handset than the "old" (the replaced handset) and "new" (the replacement headset) handset, is inserted into the charger during Easy Replacement, this error indication appears. Change to the correct handset.
2.The charger has found that Easy Replacement does not work. Change back to the "new" handset.
LED is flashing red, long flash (800 ms on, 100 ms off)
Error during Easy Replacement. Both telephones need to be sent for service.
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