diff --git a/agent_based/cisco_asa_sensors.py b/agent_based/cisco_asa_sensors.py
index 386cc9752dcf55662bf18811e871c726945a4e54..58e213c24b9df00aa773218376d34a04c3803916 100644
--- a/agent_based/cisco_asa_sensors.py
+++ b/agent_based/cisco_asa_sensors.py
@@ -7,9 +7,10 @@
 # URL   : https://thl-cmk.hopto.org
 # Date  : 2021-03-18
 #
-# Monitor Cisco ASA temperature sensors
+# Monitor Cisco ASA Sensors (Temperature, Fan and Power supply)
+#
+# 2021-03-21: fixed params in cisco_asa_fan
 #
-# 2021-02-25: rewrite for CMK 2.x
 #
 # sample snmpwalk
 # .1.3.6.1.2.1.47.1.1.1.1.7.1 = STRING: "Chassis"
@@ -272,9 +273,6 @@ register.check_plugin(
 #
 # ##################################################################################################
 
-def render_rpm(value) -> str:
-    return '%s RPM' % str(value)
-
 
 def discovery_cisco_asa_fan(section: Dict) -> DiscoveryResult:
     for key in section['fan']:
@@ -290,10 +288,10 @@ def check_cisco_asa_fan(item, params, section) -> CheckResult:
         yield from check_levels(
             sensor.value,
             label='Speed',
-            levels_lower=params.get('levels_lower', None),
-            levels_upper=params.get('levels_upper', None),
+            levels_lower=params.get('lower', None),
+            levels_upper=params.get('upper', None),
             metric_name='fan' if params.get('output_metrics') else None,
-            render_func=render_rpm,
+            render_func=lambda v: '%s RPM' % str(v),
         )
 
     except KeyError:
diff --git a/cisco_asa_sensors.mkp b/cisco_asa_sensors.mkp
index 045a974b6d1afe83e294a6d5ce55f2b6e1c3919e..a6b6243ab6935936e2daa46eb1b1ffa21df979e0 100644
Binary files a/cisco_asa_sensors.mkp and b/cisco_asa_sensors.mkp differ
diff --git a/packages/cisco_asa_sensors b/packages/cisco_asa_sensors
index 39e62e176658cc74cf51a45236ed7ff6fb1bdb95..c4b310dfc26a6f2ce885cf8a5a793282bd11a114 100644
--- a/packages/cisco_asa_sensors
+++ b/packages/cisco_asa_sensors
@@ -9,5 +9,5 @@
  'title': 'Cisco ASA Sensors',
  'version': '20210318_v0.0.1',
  'version.min_required': '2.0.0',
- 'version.packaged': '2.0.0',
+ 'version.packaged': '2.0.0p1',
  'version.usable_until': None}
\ No newline at end of file