6OBSERVED FAULT, POSSIBLE CAUSES AND REMEDIES

OBSERVED FAULT, POSSIBLE CAUSES AND REMEDIES

PROBLEM

CAUSE

REMEDY

1 No electricity

The unit won't start

2 Humidistat not set correctly

3 Water tank full (pilot light "c"on)

1a Check that the the switch is working and that it is ON

1b Check mains caracteristics (220V, 1 ~, 50 Hz)

2 Set the humidistat at a relative humidity level which is lower than the room humidity level

3 Empty the water tank.

 

1 Air flow not sufficient

1a Check that nothing is blocking intake and

 

expulsion of air

 

 

The ventilator and compressor are

 

1b Check that there aren't any deposits or

 

incrustation on the filter or on the ribbed batteries

working but neither water nor ice form on

 

 

of the condenser or of the evaporator

the walls of the evaporator

 

2 Room temperature and relative humidity

2

Check that the temperature is between 0° and

 

 

level too low.

40° and that relative humidity is between 40%

 

3 Refrigeration circuit not working correctly

3

Call an Authorised Service Technician

 

 

 

 

The unit stops and the pilot lamp (c)

1 Water tank full

1

Empty the water tank

comes on

 

 

 

 

1 Air flow obstructed

1

Remove obstacles to air flow and start unit

 

again

 

 

The unit stops and the control lamp (b)

2 Air temperature above 40 °C

2

Only use unit when temperature drops below

40°C

comes on (the condenser's ribbed

 

 

 

 

battery has over heated)

3 Fan motor broken

3

Call an Authorized Service Technician

 

4 Refrigeration circuit not working correctly

4

Call an Authorized Service Technician

 

 

 

 

The unit stops and the control lamp (b)

1 Temperature lower than 3°C

1

Move the dehumidifier in a place where

flashes

temperature is 3°C

 

GB

Page 5 Page 7
Page 6
Image 6
Master Lock DH 25, DH 80, DH 40, DH 55 owner manual Observed FAULT, Possible Causes and Remedies, Problem Cause Remedy
Page 5 Page 7

DH 80, DH 25, DH 40, DH 55 specifications

Master Lock has long been a trusted name in security, and their lineup of Digital Heavy-Duty (DH) locks exemplifies their commitment to innovative locking solutions. The Master Lock DH series includes models DH 55, DH 40, DH 25, and DH 80, each designed to cater to varying security needs while maintaining high-quality standards.

The Master Lock DH 55 is renowned for its robust construction and reliability. It features a durable body made from tamper-resistant materials, making it ideal for outdoor use. The DH 55 utilizes a digital keypad that allows users to enter a secure PIN, eliminating the need for traditional keys. This feature significantly reduces the risk of unauthorized access, as users can easily change their codes at any time.

Next in line, the DH 40 model provides a balance of security and user-friendliness. This version includes a backlit keypad, making it convenient for users in low-light environments. The DH 40 also boasts a strong weather-resistant design, suitable for varied outdoor conditions. Its anti-shim technology prevents unauthorized entry by thwarting common bypass techniques.

The DH 25 is an excellent option for those seeking a more compact and portable solution. Although smaller in size, this model does not compromise on security. It includes a hardened steel shackle and features a sturdy lock body that can withstand physical attacks. The DH 25 also supports multiple user codes, making it a great choice for group settings where multiple individuals need access.

Lastly, the DH 80 stands out for its advanced security features tailored for high-traffic areas. This lock includes a robust alarm system that activates in the event of forced entry, providing an extra layer of protection. The DH 80 also supports remote access, allowing users to grant entry from a distance, a particularly useful feature for businesses managing multiple employees.

Across all four models, Master Lock employs cutting-edge technologies to enhance security and user experience. Features such as low-battery alerts and a secure shutdown mechanism ensure that users are always prepared. Additionally, the ease of changing combinations without a key adds convenience that aligns with modern users' needs.

In conclusion, Master Lock’s DH series—featuring the DH 55, DH 40, DH 25, and DH 80—showcases a blend of durability, advanced technology, and practical security solutions. With options suitable for various environments and user needs, Master Lock continues to lead the way in providing reliable locking mechanisms for both personal and commercial applications.
Top Page Image Contents