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Match the complete marking
Include ETM-IS31-001 and any revision or certification marking visible on the battery pack. Keep the same complete reference on your enquiry and quotation.
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Check the offered item before ordering
Request current pack label and connector photos. Have your maintenance team compare the offered ETM-IS31-001 with the installed timer, equipment variant and applicable Expo documentation.
Technical specifications for ETM-IS31-001
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Manufacturer:EXPO
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Product Category:General Automation
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Spare Part Number:ETM-IS31-001
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Weight:1 kg
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Tariff Code:8537101190
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Component type:Intrinsically safe timer battery pack
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Primary pairing:D818 electronic timer arrangement
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Ex Print variants:PR-1xE-A and PR-1xE-G only
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Separate timer item:AGE-GE00-168 electronic timer assembly
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D818 maintenance interval:Replace battery at least every 3 years
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Purge-cycle restriction:Do not replace during purge cycle
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Post-replacement action:Repeat commissioning checks
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D818 fault indication:Cycle starts but does not complete: battery is one possible cause
Information
Overview
Downloads
Applications / Compatibility
Product Precautions
- ETM-IS31-001 is a replaceable battery pack in specified Expo electronic timer arrangements. Its service procedure depends on the installed D818 or Ex Print equipment variant.
Replaceable boundary: The battery pack connects to the existing electronic timer
Inspection focus: Match the pack marking, timer revision and equipment variant
Service sequence: Controlled access, pack exchange and renewed commissioning
Fault isolation: If timing still fails, continue diagnosis beyond the battery pack
Inspection focus: Match the pack marking, timer revision and equipment variant
Service sequence: Controlled access, pack exchange and renewed commissioning
Fault isolation: If timing still fails, continue diagnosis beyond the battery pack
The battery pack supports the electronic timer within the documented D818 purge arrangement. It is a replaceable power component, not the timer assembly that controls the purge cycle.
In the D818 service procedure, a discharged timer battery is one possible cause when a purge cycle begins but does not complete. Diagnosis must also consider the full purge system and its other listed fault causes.
Expo also identifies ETM-IS31-001 for PR-1xE-A and PR-1xE-G Ex Print versions. That fit statement does not extend to other printer versions or establish the electrical rating or certification of an unmarked pack.
In the D818 service procedure, a discharged timer battery is one possible cause when a purge cycle begins but does not complete. Diagnosis must also consider the full purge system and its other listed fault causes.
Expo also identifies ETM-IS31-001 for PR-1xE-A and PR-1xE-G Ex Print versions. That fit statement does not extend to other printer versions or establish the electrical rating or certification of an unmarked pack.
Timer arrangement reference: Expo D818 and specified Ex Print versions. Match the pack, timer revision and installed equipment.
Technical downloads for EXPO ETM-IS31-001: an Apter Power technical reference and an Apter Power installation and commissioning guide.
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Apter Power technical reference for EXPO ETM-IS31-001
Apter Power technical reference - PDF, 2 pages. Documented product identity, system role and applicable technical details. -
EXPO ETM-IS31-001 installation guide
Prepared by Apter Power - PDF, 2 pages. Identification, installation checks, commissioning and fault isolation.
The reference and installation guide support component identification and service planning. Apply the approved system and site procedures during work.
System and supply context: ETM-IS31-001 is the service battery pack for a matched electronic timer. The purge controller, timer assembly and installed enclosure remain separate equipment.
Application scope: Use only in the Expo timer and equipment variants that identify this exact battery pack; suitability follows the complete installed marking and service procedure.
Application scope: Use only in the Expo timer and equipment variants that identify this exact battery pack; suitability follows the complete installed marking and service procedure.
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D818 timer maintenance
Replace the listed IS battery pack in the documented electronic timer maintenance procedure. -
Purge fault response
Consider battery condition when the D818 purge cycle starts but repeatedly fails to finish, alongside other system checks. -
Ex Print service
Use with the specified PR-1xE-A or PR-1xE-G variants where Expo identifies this pack. -
Planned battery renewal
Schedule replacement within the D818 maintenance interval and repeat commissioning checks after the change.
Installation and commissioning checks for EXPO ETM-IS31-001.
Verify exact pack
Compare ETM-IS31-001 and the installed timer identity before opening the enclosure.
Avoid active purge
Do not exchange the battery during an active D818 purge cycle; follow the applicable safe-work sequence.
Control the environment
Apply the equipment certification, hazardous-area and site isolation instructions before access.
Retain connections
Use the specified retaining-screw and plug procedure; avoid forcing the connector or damaging the timer assembly.
Check the timer separately
If the purge still fails, examine the timer assembly and other listed causes instead of assuming a battery fault.
Recommission
Repeat the D818 commissioning checks after battery replacement before returning the purge function to service.
Alternative Names
Expo ETM-IS31-001
ETM IS31 001
Technical notes
Installation relationship: ETM-IS31-001 serves the specified Expo electronic timer; the battery and timer assembly are separate service parts.
Service control: For the D818 arrangement, do not replace the battery during purge and repeat commissioning tests after replacement.
Technical reference: Expo Technologies D818 Electronic Timer user manual and Ex Print user manual. Apply the maintenance steps to the identified equipment variant.
FAQ View All FAQ
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Why may an Expo D818 purge cycle start but fail to finish with ETM-IS31-001 installed?A discharged electronic timer battery is a documented possible cause. Confirm the battery condition under the D818 troubleshooting procedure and evaluate other purge faults before replacing parts.
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When should ETM-IS31-001 be replaced in the D818 electronic timer arrangement?The D818 maintenance instructions call for battery replacement at least every three years; use the site maintenance schedule and the installed equipment revision to plan the service.
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Can ETM-IS31-001 be changed while a D818 purge cycle is running?The D818 procedure says not to replace the battery during a purge cycle. Follow the approved safe-work sequence and repeat commissioning checks after the change.
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Is ETM-IS31-001 the same part as the electronic timer assembly?No. Expo lists ETM-IS31-001 as the IS battery pack and AGE-GE00-168 as a separate electronic timer assembly. Diagnose which component requires replacement.
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Which Ex Print variants identify ETM-IS31-001 as the IS battery pack?The Expo Ex Print spare-parts list identifies the PR-1xE-A and PR-1xE-G variants only. Check the complete installed printer variant before ordering.
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What should be checked when reconnecting ETM-IS31-001 to the timer?Follow the specified plug and retaining-screw procedure, check connector seating without forcing it, and inspect the timer and cable for damage before commissioning.
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Does ETM-IS31-001 alone establish an intrinsically safe system approval?No. The pack must be used within the complete approved timer and equipment arrangement; verify the supplied pack marking and installed certification conditions.
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What verifies proper operation after ETM-IS31-001 is replaced?Repeat the applicable D818 commissioning tests and confirm the purge cycle reaches its required completion state, with alarms and indicators behaving as specified for the installed system.
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