diff --git a/inc/inc.ClassConversionServiceImageToImage.php b/inc/inc.ClassConversionServiceImageToImage.php
index ee7ccb9d4..ca2120c15 100644
--- a/inc/inc.ClassConversionServiceImageToImage.php
+++ b/inc/inc.ClassConversionServiceImageToImage.php
@@ -67,8 +67,18 @@ class SeedDMS_ConversionServiceImageToImage extends SeedDMS_ConversionServiceBas
 					} else {
 						return $imagick->getImageBlob();
 					}
+				} else {
+					if($this->logger) {
+						$this->logger->log('Conversion from '.$this->from.' to '.$this->to.' with image service failed: could not read input file.', PEAR_LOG_ERR);
+					}
+					$this->success = false;
+					return false;
 				}
 			} catch (ImagickException $e) {
+				if($this->logger) {
+					$this->logger->log('Conversion from '.$this->from.' to '.$this->to.' with image service failed: '.$e->getMessage(), PEAR_LOG_ERR);
+				}
+				$this->success = false;
 				return false;
 			}
 		} elseif(extension_loaded('gd')) {
@@ -102,6 +112,10 @@ class SeedDMS_ConversionServiceImageToImage extends SeedDMS_ConversionServiceBas
 					return $image;
 				}
 			} else {
+				if($this->logger) {
+					$this->logger->log('Conversion from '.$this->from.' to '.$this->to.' with image service failed: could not read input file.', PEAR_LOG_ERR);
+				}
+				$this->success = false;
 				return false;
 			}
 		}
diff --git a/inc/inc.ClassConversionServicePdfToImage.php b/inc/inc.ClassConversionServicePdfToImage.php
index 85ef08a0e..c303eeca0 100644
--- a/inc/inc.ClassConversionServicePdfToImage.php
+++ b/inc/inc.ClassConversionServicePdfToImage.php
@@ -83,6 +83,10 @@ class SeedDMS_ConversionServicePdfToImage extends SeedDMS_ConversionServiceBase
 				} else {
 					return $imagick->getImageBlob();
 				}
+			} else {
+				if($this->logger) {
+					$this->logger->log('Conversion from '.$this->from.' to '.$this->to.' with pdf service failed: could not read input file.', PEAR_LOG_ERR);
+				}
 			}
 		} catch (ImagickException $e) {
 			if($this->logger) {