Troubleshooting and Repair flow of Ultrasonic cutter ZO series.

Before requesting repair and about Warranty.

Please try next “Trouble shooting” first.
It is major trouble that user mistakenly recognizes that unit is broken, even though it can be fixed at user’s side very easily.

Unit warranty period is 1 year from shipping date recorded at Echo Tech.
In this period, we don’t charge repair fee for the customer, but round-trip shipping fee.

Cases that warranty will not be covered.

• Unit is not broken.
• Unit is broken due to user’s fault. (Ex. Felt from higher place, felt into water, used in wrong way, etc.)
• Unit is disassembled by user.

Whole cost for repair is expensive.
①Round-trip shipping fee
②Inspection/Repair fee
③Custom
④Taxes

Before asking repair, make sure your unit is fulfilled next troubleshooting.

Trouble shooting – Please try this first

1. Maintenance (Clean inside handpiece horn)
2. Replace 2 parts (Blade & Blade anchor)
3. Tighten screw with correct torque level (0.6 N・m)

Check how to do the 3 steps on this video.

(Instruction)
1. Untighten screw (that fixing blade) and take blade and blade anchor off from handpiece.
2. Insert maintenance set SB01 (bar that rolled abrasive paper) into handpiece horn.
　(If you don’t have SB01, use cotton swab)
3. Clean horn’s internal side by rotating bar. (For using cotton swab, please rub same part)
4. Set blade anchor and blade. (If those parts are broken or contaminated, replace it.)
　Be sure that blade anchor and horn, both screw fixing part are facing.
5. Tighten screw with 0.6 N・m.
　 If you don’t have Torque screwdriver ZH25T2, please use hexagon wrench attached to unit.

↓↓These 3 major troubles can be solved↓↓

(1) Contamination inside the handpiece horn
(2) Faults of Blade or Blade
(3) Loosened screw

Cases of trouble and its possible cause.

Case 1.

ZO-91/ LED lamp on hand piece is blinking

ZO-95/ Alarm LED lamp is lighted up

(Cause) Handpiece heat up.
(Why it happened) The unit has been used for long time or forcefully.
This way of using might lead unit malfunction that needs repair.
To keep use unit longer, make periodical unit’s rest time, and don’t handle cutter forcefully.
When this symptom occurred, 

(Solution) Leave unit 10 min. for cooling it.

CASE 2.

ZO-91/ LED lamp on Main unit is blinking

ZO-95/ Alarm LED lamp is blinking

(Cause) Handpiece’s overload.
(Why it happened) The handpiece has used forcefully.

(Solution) Turn OFF the main unit and reactivate it. If the trouble still not solved, leave unit 10 min. for resting.

Request for repair.

After tried all troubleshooting, if unit is still not working regularly, the unit might be needed repair.

Before you ship the unit for repair, please make contact to your purchased shop for following correct way regarding repair.
If you don’t remember, contact us with your unit serial No.

Also, before requesting repair, do not disassemble your unit.
Disassembled unit will not be warranted, and we might not be able to inspect a cause of trouble.
We can find a trace of unit disassemble.

(Repair flow)

1. Make contact to purchased shop
　 We will pass you an advice of repair and possibility of trouble, through user’s purchased shop.
　 Detailed information is helpful for us to judge cause before we inspect.
(1) Ultrasonic cutter model
(2) Symptom
(3) Work material
(4) How long does the unit have used for each days
(5) Power mode that 

2. Decide to send us back your unit for cause inspection
　 After user received an advice, if user decide to request for inspection or repair, they will be inform of address where to send back troubled unit.
　 Please notice that user will be charge round-trip shipping fee, custom, inspection fee when the unit has shipped. (If it was in period of warranty, the cost might change)

3. Cause inspection
　When we received troubled unit, we will start inspection first. After we found a cause of trouble, we will issue and send an estimation sheet that mentioned cost of “inspection” and “repair” separately. 
　Because “inspection” has already completed at the timing, the cost will be charge on user. 

4. Decide whether requesting repair
　After checked estimation sheet, user has to decide whether they request for repair or not.
　After we confirm users payment on our account, we will start repair or send back unit.