Riken Keiki SD-3 Series, Operating Manual

Page: 104 / 114

104 / 105
Product warranty
1. If a fault occurs with the product within three years of the purchase date, with use under normal conditions in
compliance with precautions indicated in the operating instructions or on labels affixed to the main unit, repairs
will be cost free.
2. Contact our sales department or your nearest sales office for information on repairs, maintenance, or after-sales
service.
3. You will be charged for costs incurred as the result of service rendered in remote locations.
4. Fees will be charged for repairs in the following cases, even during the warranty period:
(a) Fault or damage is attributable to incorrect use or improper repairs or modifications.
(b) Fault or damage following repairs or modifications made at locations other than Riken Keiki or a service
agent specified by Riken Keiki.
(c) Fault or damage is attributable to moving, transporting, falling, dropping, or improper storage occurring
after purchase.
(d) Fault or damage is attributable to external factors, including natural phenomena such as fire, earthquake,
flood, or lightning; pollution; abnormal voltage; use of power sources outside of rated ranges (voltage,
frequency), etc.
(e) The fault is attributable to a factor external to this product.
(f) When replacing consumables (batteries, fuses, etc.).
Sensor warranty
1. Replacements will be provided at no charge if a fault occurs within three years of the purchase date or the date
on which a sensor was replaced for a fee (excluding certain sensors), with use under normal conditions in
compliance with precautions indicated in the operating instructions or on labels affixed to the main unit.
For information on the length of the warranty for each sensor model, refer to ‘10- 3 Detection target gases
for individual detection principles’.
A precondition of the warranty for sensors requires sensors to be serviced once or more a year from the purchase
date or the date on which a sensor was replaced for a fee.
2. Contact our sales department or your nearest sales office for information about repairs, maintenance, or after-
sales service.
3. You will be charged for costs incurred as the result of replacements performed in remote locations.
4. Fees will be charged for replacements made in the following cases, even during the warranty period.
(a) If the product is used in disregard of the precautions provided in the operating instructions, on labels
affixed to the main unit, or elsewhere.
(b) Fault or damage following repairs or modifications made at locations other than Riken Keiki or a service
agent specified by Riken Keiki.
(c) Fault or damage is attributable to moving, transporting, falling, dropping, or improper storage occurring
after purchase.
(d) Fault or damage is attributable to external factors, including natural phenomena such as fire, earthquake,
flood, or lightning; pollution; abnormal voltage; use of power sources outside of rated ranges (voltage,
frequency), etc.
(e) The fault is attributable to a factor external to this product.
(f) Changes in the gas sensitivity of the sensor, fault, or damage are due to the effects of coexisting gases
(acidic gases, alkaline gases, alcohol, silicone, etc.) in the installation environment.