Display Message | Meaning | Corrective Action |
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No Power Modules Detected | No power modules are available. | Option 1: Ensure that the power |
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| modules are properly installed, the |
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| two fastening screws are tight, and |
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| the locking latch is engaged. |
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| Option 2: Check for other |
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| communication alarm messages in |
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| the log. |
Not Synchronized Fault | System cannot synchronize to AC | Option 1: Decrease the sensitivity |
| line and bypass mode may not be | to input frequency. |
| available. | Option 2: Correct the input |
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| voltage to provide acceptable |
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| voltage/frequency. |
Output Voltage Not In Range | The output voltage is not within the | Evaluate the threshold setting. |
| specified range. | If necessary, adjust it for your |
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| situation. Contact Schneider Electric |
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| Customer Support (see the back |
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| cover). |
Overload | The load has exceeded the system | Option 1: Decrease the load. |
| power capacity. | Option 2: Add a power module to |
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| the system. |
Power Failure | The input voltage is not acceptable | Contact Schneider Electric Customer |
| for normal operation. | Support (see the back cover). |
Power Module Fault | A power module has failed and | Replace power module. See |
| requires replacement. | “Replace a Power Module“. |
Redundancy Alarm | Actual power module redundancy | Option 1: If possible, install |
| has fallen below | additional power modules. See |
| redundancy alarm threshold. At | |
| least one power module has failed, | Option 2: Replace failed modules. |
| or the load has increased. | See “Replace a Power Module“. |
|
| Option 3: Reduce the load. |
|
| Option 4: Change alarm limit. |
Redundancy Lost | The UPS no longer detects redundant | Option 1: If possible, install |
| power modules. One or more power | additional power modules. See |
| modules have failed, or the load has | |
| increased. | Option 2: Replace failed modules. |
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| |
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| Option 3: Reduce the load. |
|
| Option 4: Change alarm limit. |
Redundant Intelligence Module | The redundant intelligence module | Contact Schneider Electric Customer |
Fault | has failed and requires replacement. | Support (see the back cover). |
Redundant Intelligence Module in | The main intelligence module has | Contact Schneider Electric Customer |
Control | failed, and the redundant intelligence | Support (see the back cover). |
| module is functioning as the primary |
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| intelligence module. |
|
Replacement Battery Needed | One or more battery units needs to | Replace battery unit(s). See |
| be replaced. | “Replace a Battery“. |
Runtime Alarm | The predicted runtime is lower than | Option 1: Install additional battery |
| the | modules. See “Replace a Battery“ |
| alarm threshold. At least one battery | Option 2: Replace failed battery |
| module has failed or the load has | modules. See “Replace a Battery“ |
| increased. | Option 3: Reduce the load. |
|
| Option 4: Change alarm limit. |
Site Wiring Fault | There is a problem with the phase | Contact the certified electrician that |
| rotation or a phase is missing in the | installed the system. |
| input voltage to the UPS. |
|
Static Bypass Switch Module Fault | The static bypass switch module has | Contact Schneider Electric Customer |
| failed and requires replacement. | Support (see the back cover). |
34 | Symmetra™ PX48, 96, and 160 kW 400 V 100 kW 208 V Operation |