Alarm codeERRST
Bipolars indicates that received pulses are deformed and cannot be properly interpreted as T1 signals. The manual's first action is: “1. Verify cable from CSU to ECS meets specs and all connections are good.”
- Model
- Iwatsu Enterprise-CS
- Display shows
- Bipolars (ERRST)
- Type
- Alarm code
- Source
- Manual p. 1574
What ERRST means
Bipolars p. 1574
Common causes
- The pulses received by the ECS are deformed and cannot be treated as T1 signal properly. p. 1574
- If CSU has bipolar alarm, also: p. 1574
What to do
- 1. Verify cable from CSU to ECS meets specs and all connections are good. p. 1574
- 1. Check cable from Smart Jack to CSU. p. 1574
- 2. Connect T1 Analyzer to T1 circuit in monitor mode. p. 1574
Before you service the product, read the safety instructions in the manual p. 884.
If ERRST is still not resolved
- Contact service / dealer p. 868 “Do Not use extension cords to connect the AC power cord. This may cause system overloading and may make grounding unreliable”
- Contact service / dealer p. 884 “WARNING! When analog trunks are installed in the IX-CME Cabinet, the Field Ground terminal (on the back of the IX-CME) MUST be properly grounded.”
This page summarises what the manufacturer’s manual says about ERRST; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Iwatsu. Found a mistake? Report an error.